23231211202 has 16 divisors (see below), whose sum is σ = 35173420920. Its totient is φ = 11506779648.

The previous prime is 23231211169. The next prime is 23231211217. The reversal of 23231211202 is 20211213232.

It can be written as a sum of positive squares in 4 ways, for example, as 21868198641 + 1363012561 = 147879^2 + 36919^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23231211202.

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, 1898568 + ... + 1910764.

Almost surely, 2^23231211202 is an apocalyptic number.

23231211202 is a deficient number, since it is larger than the sum of its proper divisors (11942209718).

23231211202 is a wasteful number, since it uses less digits than its factorization.

23231211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21045.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23231211202 its reverse (20211213232), we get a palindrome (43442424434).

The spelling of 23231211202 in words is "twenty-three billion, two hundred thirty-one million, two hundred eleven thousand, two hundred two".