123203051204 has 24 divisors (see below), whose sum is σ = 234778958400. Its totient is φ = 56346948000.

The previous prime is 123203051189. The next prime is 123203051243. The reversal of 123203051204 is 402150302321.

It is a self number, because there is not a number n which added to its sum of digits gives 123203051204.

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, 27947672 + ... + 27952079.

It is an arithmetic number, because the mean of its divisors is an integer number (9782456600).

Almost surely, 2^123203051204 is an apocalyptic number.

It is an amenable number.

123203051204 is a deficient number, since it is larger than the sum of its proper divisors (111575907196).

123203051204 is a wasteful number, since it uses less digits than its factorization.

123203051204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55899803 (or 55899801 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 123203051204 its reverse (402150302321), we get a palindrome (525353353525).

The spelling of 123203051204 in words is "one hundred twenty-three billion, two hundred three million, fifty-one thousand, two hundred four".