23490973945 has 8 divisors (see below), whose sum is σ = 28203087744. Its totient is φ = 18783499824.

The previous prime is 23490973937. The next prime is 23490973999. The reversal of 23490973945 is 54937909432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23490973945 - 2³ = 23490973937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1148769 + ... + 1169038.

It is an arithmetic number, because the mean of its divisors is an integer number (3525385968).

Almost surely, 2^23490973945 is an apocalyptic number.

It is an amenable number.

23490973945 is a deficient number, since it is larger than the sum of its proper divisors (4712113799).

23490973945 is a wasteful number, since it uses less digits than its factorization.

23490973945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319839.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 23490973945 in words is "twenty-three billion, four hundred ninety million, nine hundred seventy-three thousand, nine hundred forty-five".