23012431203 has 16 divisors (see below), whose sum is σ = 31051008000. Its totient is φ = 15158817120.

The previous prime is 23012431199. The next prime is 23012431313. The reversal of 23012431203 is 30213421032.

It is not a de Polignac number, because 23012431203 - 2² = 23012431199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23012431203.

It is not an unprimeable number, because it can be changed into a prime (23012431003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49393 + ... + 220146.

It is an arithmetic number, because the mean of its divisors is an integer number (1940688000).

Almost surely, 2^23012431203 is an apocalyptic number.

23012431203 is a deficient number, since it is larger than the sum of its proper divisors (8038576797).

23012431203 is a wasteful number, since it uses less digits than its factorization.

23012431203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269882.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23012431203 its reverse (30213421032), we get a palindrome (53225852235).

The spelling of 23012431203 in words is "twenty-three billion, twelve million, four hundred thirty-one thousand, two hundred three".