23149419572 has 6 divisors (see below), whose sum is σ = 40511484258. Its totient is φ = 11574709784.

The previous prime is 23149419521. The next prime is 23149419583. The reversal of 23149419572 is 27591494132.

It can be written as a sum of positive squares in only one way, i.e., 19383879076 + 3765540496 = 139226^2 + 61364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2893677443 + ... + 2893677450.

It is an arithmetic number, because the mean of its divisors is an integer number (6751914043).

Almost surely, 2^23149419572 is an apocalyptic number.

It is an amenable number.

23149419572 is a deficient number, since it is larger than the sum of its proper divisors (17362064686).

23149419572 is a wasteful number, since it uses less digits than its factorization.

23149419572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5787354897 (or 5787354895 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The spelling of 23149419572 in words is "twenty-three billion, one hundred forty-nine million, four hundred nineteen thousand, five hundred seventy-two".