Search a number
-
+
123430031322 = 23131983286121
BaseRepresentation
bin111001011110100000…
…0001100111111011010
3102210121001101020220120
41302331000030333122
54010241042000242
6132411501534110
711626465645503
oct1627500147732
9383531336816
10123430031322
114838a042454
121bb08574336
13b8409c64c0
145d8cacdbaa
1533261911ec
hex1cbd00cfda

123430031322 has 32 divisors (see below), whose sum is σ = 279841369920. Its totient is φ = 35979603840.

The previous prime is 123430031321. The next prime is 123430031393. The reversal of 123430031322 is 223130034321.

It is a junction number, because it is equal to n+sod(n) for n = 123430031292 and 123430031301.

It is not an unprimeable number, because it can be changed into a prime (123430031321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41641579 + ... + 41644542.

It is an arithmetic number, because the mean of its divisors is an integer number (8745042810).

Almost surely, 2123430031322 is an apocalyptic number.

123430031322 is an abundant number, since it is smaller than the sum of its proper divisors (156411338598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123430031322 is a wasteful number, since it uses less digits than its factorization.

123430031322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83286158.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 123430031322 its reverse (223130034321), we get a palindrome (346560065643).

The spelling of 123430031322 in words is "one hundred twenty-three billion, four hundred thirty million, thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 13 19 26 38 39 57 78 114 247 494 741 1482 83286121 166572242 249858363 499716726 1082719573 1582436299 2165439146 3164872598 3248158719 4747308897 6496317438 9494617794 20571671887 41143343774 61715015661 123430031322