123503013204 has 24 divisors (see below), whose sum is σ = 288590755488. Its totient is φ = 41108091360.

The previous prime is 123503013173. The next prime is 123503013209. The reversal of 123503013204 is 402310305321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123503013209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7438827 + ... + 7455410.

It is an arithmetic number, because the mean of its divisors is an integer number (12024614812).

Almost surely, 2^123503013204 is an apocalyptic number.

It is an amenable number.

123503013204 is an abundant number, since it is smaller than the sum of its proper divisors (165087742284).

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

123503013204 is a wasteful number, since it uses less digits than its factorization.

123503013204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14894935 (or 14894933 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 123503013204 its reverse (402310305321), we get a palindrome (525813318525).

The spelling of 123503013204 in words is "one hundred twenty-three billion, five hundred three million, thirteen thousand, two hundred four".