23977000961 has 16 divisors (see below), whose sum is σ = 25934361600. Its totient is φ = 22089811968.

The previous prime is 23977000903. The next prime is 23977000987. The reversal of 23977000961 is 16900077932.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23977000961 - 2⁶ = 23977000897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23977006961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1566401 + ... + 1581633.

It is an arithmetic number, because the mean of its divisors is an integer number (1620897600).

It is a Proth number, since it is equal to 91465 ⋅ 2¹⁸ + 1 and 91465 < 2¹⁸.

Almost surely, 2^23977000961 is an apocalyptic number.

It is an amenable number.

23977000961 is a deficient number, since it is larger than the sum of its proper divisors (1957360639).

23977000961 is a wasteful number, since it uses less digits than its factorization.

23977000961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17528.

The product of its (nonzero) digits is 142884, while the sum is 44.

The spelling of 23977000961 in words is "twenty-three billion, nine hundred seventy-seven million, nine hundred sixty-one", and thus it is an aban number.