123130424232 has 24 divisors (see below), whose sum is σ = 333478232490. Its totient is φ = 41043474720.

The previous prime is 123130424231. The next prime is 123130424251. The reversal of 123130424232 is 232424031321.

123130424232 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 3 + 0 + 424 + 232 = 666.

It can be written as a sum of positive squares in only one way, i.e., 106964318916 + 16166105316 = 327054^2 + 127146^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×123130424232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130424196 and 123130424205.

It is not an unprimeable number, because it can be changed into a prime (123130424231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 855072319 + ... + 855072462.

Almost surely, 2^123130424232 is an apocalyptic number.

123130424232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123130424232 is an abundant number, since it is smaller than the sum of its proper divisors (210347808258).

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

123130424232 is a wasteful number, since it uses less digits than its factorization.

123130424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710144793 (or 1710144786 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 123130424232 its reverse (232424031321), we get a palindrome (355554455553).

The spelling of 123130424232 in words is "one hundred twenty-three billion, one hundred thirty million, four hundred twenty-four thousand, two hundred thirty-two".