Search a number
-
+
323423231145 = 35722319131809
BaseRepresentation
bin1001011010011011000…
…01101101110010101001
31010220210220212110022120
410231031201231302221
520244332321344040
6404324550141453
732236505051100
oct4551541556251
91126726773276
10323423231145
11115187a89573
1252821951889
13246637a43b1
1411921d21037
15862dc207d0
hex4b4d86dca9

323423231145 has 48 divisors (see below), whose sum is σ = 628135585920. Its totient is φ = 141422324736.

The previous prime is 323423231111. The next prime is 323423231149. The reversal of 323423231145 is 541132324323.

It is not a de Polignac number, because 323423231145 - 214 = 323423214761 is a prime.

It is a super-2 number, since 2×3234232311452 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323423231149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9549000 + ... + 9582809.

It is an arithmetic number, because the mean of its divisors is an integer number (13086158040).

Almost surely, 2323423231145 is an apocalyptic number.

323423231145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

323423231145 is a deficient number, since it is larger than the sum of its proper divisors (304712354775).

323423231145 is a wasteful number, since it uses less digits than its factorization.

323423231145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19131854 (or 19131847 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

Adding to 323423231145 its reverse (541132324323), we get a palindrome (864555555468).

The spelling of 323423231145 in words is "three hundred twenty-three billion, four hundred twenty-three million, two hundred thirty-one thousand, one hundred forty-five".

Divisors: 1 3 5 7 15 21 23 35 49 69 105 115 147 161 245 345 483 735 805 1127 2415 3381 5635 16905 19131809 57395427 95659045 133922663 286977135 401767989 440031607 669613315 937458641 1320094821 2008839945 2200158035 2812375923 3080221249 4687293205 6600474105 9240663747 14061879615 15401106245 21561548743 46203318735 64684646229 107807743715 323423231145