123130304524 has 6 divisors (see below), whose sum is σ = 215478032924. Its totient is φ = 61565152260.

The previous prime is 123130304509. The next prime is 123130304527. The reversal of 123130304524 is 425403031321.

It is a happy number.

It is a super-2 number, since 2×123130304524² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130304492 and 123130304501.

It is not an unprimeable number, because it can be changed into a prime (123130304527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15391288062 + ... + 15391288069.

Almost surely, 2^123130304524 is an apocalyptic number.

It is an amenable number.

123130304524 is a deficient number, since it is larger than the sum of its proper divisors (92347728400).

123130304524 is a wasteful number, since it uses less digits than its factorization.

123130304524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30782576135 (or 30782576133 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 123130304524 its reverse (425403031321), we get a palindrome (548533335845).

The spelling of 123130304524 in words is "one hundred twenty-three billion, one hundred thirty million, three hundred four thousand, five hundred twenty-four".