23221231010 has 32 divisors (see below), whose sum is σ = 42190228080. Its totient is φ = 9201733632.

The previous prime is 23221231009. The next prime is 23221231031. The reversal of 23221231010 is 1013212232.

It can be written as a sum of positive squares in 8 ways, for example, as 11048742769 + 12172488241 = 105113^2 + 110329^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23221231010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507146 + ... + 551034.

Almost surely, 2^23221231010 is an apocalyptic number.

23221231010 is a deficient number, since it is larger than the sum of its proper divisors (18968997070).

23221231010 is a wasteful number, since it uses less digits than its factorization.

23221231010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44390.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23221231010 its reverse (1013212232), we get a palindrome (24234443242).

The spelling of 23221231010 in words is "twenty-three billion, two hundred twenty-one million, two hundred thirty-one thousand, ten".