23443031645564 has 12 divisors (see below), whose sum is σ = 41036008590864. Its totient is φ = 11718457762464.

The previous prime is 23443031645521. The next prime is 23443031645611. The reversal of 23443031645564 is 46554613034432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 764497832 + ... + 764528495.

It is an arithmetic number, because the mean of its divisors is an integer number (3419667382572).

Almost surely, 2^{23443031645564} is an apocalyptic number.

It is an amenable number.

23443031645564 is a deficient number, since it is larger than the sum of its proper divisors (17592976945300).

23443031645564 is a wasteful number, since it uses less digits than its factorization.

23443031645564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529030164 (or 1529030162 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 50.

Adding to 23443031645564 its reverse (46554613034432), we get a palindrome (69997644679996).

The spelling of 23443031645564 in words is "twenty-three trillion, four hundred forty-three billion, thirty-one million, six hundred forty-five thousand, five hundred sixty-four".