23193962959 has 4 divisors (see below), whose sum is σ = 23406751720. Its totient is φ = 22981174200.

The previous prime is 23193962921. The next prime is 23193962989. The reversal of 23193962959 is 95926939132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23193962959 - 2²⁷ = 23059745231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23193962989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106394217 + ... + 106394434.

It is an arithmetic number, because the mean of its divisors is an integer number (5851687930).

Almost surely, 2^23193962959 is an apocalyptic number.

23193962959 is a deficient number, since it is larger than the sum of its proper divisors (212788761).

23193962959 is a wasteful number, since it uses less digits than its factorization.

23193962959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212788760.

The product of its digits is 7085880, while the sum is 58.

The spelling of 23193962959 in words is "twenty-three billion, one hundred ninety-three million, nine hundred sixty-two thousand, nine hundred fifty-nine".