23966921901 has 8 divisors (see below), whose sum is σ = 34414041760. Its totient is φ = 14748874992.

The previous prime is 23966921857. The next prime is 23966921921. The reversal of 23966921901 is 10912966932.

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

It is not a de Polignac number, because 23966921901 - 2⁶ = 23966921837 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 (23966921921) 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, 307268191 + ... + 307268268.

It is an arithmetic number, because the mean of its divisors is an integer number (4301755220).

Almost surely, 2^23966921901 is an apocalyptic number.

It is an amenable number.

23966921901 is a deficient number, since it is larger than the sum of its proper divisors (10447119859).

23966921901 is a wasteful number, since it uses less digits than its factorization.

23966921901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614536475.

The product of its (nonzero) digits is 314928, while the sum is 48.

The spelling of 23966921901 in words is "twenty-three billion, nine hundred sixty-six million, nine hundred twenty-one thousand, nine hundred one".