23143220004 has 24 divisors (see below), whose sum is σ = 55742810368. Its totient is φ = 7465554720.

The previous prime is 23143219993. The next prime is 23143220027. The reversal of 23143220004 is 40002234132.

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, 31106107 + ... + 31106850.

Almost surely, 2^23143220004 is an apocalyptic number.

It is an amenable number.

23143220004 is an abundant number, since it is smaller than the sum of its proper divisors (32599590364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23143220004 is a wasteful number, since it uses less digits than its factorization.

23143220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62212995 (or 62212993 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 23143220004 its reverse (40002234132), we get a palindrome (63145454136).

The spelling of 23143220004 in words is "twenty-three billion, one hundred forty-three million, two hundred twenty thousand, four".