23727903961 has 8 divisors (see below), whose sum is σ = 23858805960. Its totient is φ = 23597107968.

The previous prime is 23727903889. The next prime is 23727903989. The reversal of 23727903961 is 16930972732.

It can be written as a sum of positive squares in 4 ways, for example, as 5079270361 + 18648633600 = 71269^2 + 136560^2 .

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 23727903961 - 2²⁵ = 23694349529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23727903761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445425 + ... + 495841.

It is an arithmetic number, because the mean of its divisors is an integer number (2982350745).

Almost surely, 2^23727903961 is an apocalyptic number.

It is an amenable number.

23727903961 is a deficient number, since it is larger than the sum of its proper divisors (130901999).

23727903961 is a wasteful number, since it uses less digits than its factorization.

23727903961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53003.

The product of its (nonzero) digits is 857304, while the sum is 49.

The spelling of 23727903961 in words is "twenty-three billion, seven hundred twenty-seven million, nine hundred three thousand, nine hundred sixty-one".