123204323524 has 24 divisors (see below), whose sum is σ = 218202020568. Its totient is φ = 60864330240.

The previous prime is 123204323513. The next prime is 123204323569. The reversal of 123204323524 is 425323402321.

It can be written as a sum of positive squares in 4 ways, for example, as 32472040000 + 90732283524 = 180200^2 + 301218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286647 + ... + 573214.

It is an arithmetic number, because the mean of its divisors is an integer number (9091750857).

Almost surely, 2^123204323524 is an apocalyptic number.

It is an amenable number.

123204323524 is a deficient number, since it is larger than the sum of its proper divisors (94997697044).

123204323524 is a wasteful number, since it uses less digits than its factorization.

123204323524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860295 (or 860293 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 123204323524 its reverse (425323402321), we get a palindrome (548527725845).

The spelling of 123204323524 in words is "one hundred twenty-three billion, two hundred four million, three hundred twenty-three thousand, five hundred twenty-four".