Search a number
-
+
223123331403 = 3372128355469
BaseRepresentation
bin1100111111001100101…
…1111101100101001011
3210022220211220121222000
43033303023331211023
512123424033101103
6250300151202043
722056130011240
oct3176313754513
9708824817860
10223123331403
1186698338345
12372ab676323
131806ab006ab
14ab291155c7
155c0d4e6aa3
hex33f32fd94b

223123331403 has 32 divisors (see below), whose sum is σ = 377799513600. Its totient is φ = 127490757408.

The previous prime is 223123331323. The next prime is 223123331413. The reversal of 223123331403 is 304133321322.

223123331403 is a `hidden beast` number, since 2 + 2 + 312 + 33 + 314 + 0 + 3 = 666.

It is not a de Polignac number, because 223123331403 - 212 = 223123327307 is a prime.

It is a super-3 number, since 3×2231233314033 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223123331413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3994753 + ... + 4050221.

It is an arithmetic number, because the mean of its divisors is an integer number (11806234800).

Almost surely, 2223123331403 is an apocalyptic number.

223123331403 is a deficient number, since it is larger than the sum of its proper divisors (154676182197).

223123331403 is a wasteful number, since it uses less digits than its factorization.

223123331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76768 (or 76762 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 223123331403 its reverse (304133321322), we get a palindrome (527256652725).

The spelling of 223123331403 in words is "two hundred twenty-three billion, one hundred twenty-three million, three hundred thirty-one thousand, four hundred three".

Divisors: 1 3 7 9 21 27 63 189 21283 55469 63849 148981 166407 191547 388283 446943 499221 574641 1164849 1340829 1497663 3494547 4022487 10483641 1180546727 3541640181 8263827089 10624920543 24791481267 31874761629 74374443801 223123331403