23220312604 has 24 divisors (see below), whose sum is σ = 42873106640. Its totient is φ = 10973677824.

The previous prime is 23220312601. The next prime is 23220312617. The reversal of 23220312604 is 40621302232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220312601) 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, 319899 + ... + 385714.

Almost surely, 2^23220312604 is an apocalyptic number.

It is an amenable number.

23220312604 is a deficient number, since it is larger than the sum of its proper divisors (19652794036).

23220312604 is a wasteful number, since it uses less digits than its factorization.

23220312604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706069 (or 706067 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 23220312604 its reverse (40621302232), we get a palindrome (63841614836).

The spelling of 23220312604 in words is "twenty-three billion, two hundred twenty million, three hundred twelve thousand, six hundred four".