23663973 has 8 divisors (see below), whose sum is σ = 31578336. Its totient is φ = 15762800.

The previous prime is 23663957. The next prime is 23663993. The reversal of 23663973 is 37936632.

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 23663973 - 2⁴ = 23663957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23663903) 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, 2203 + ... + 7223.

It is an arithmetic number, because the mean of its divisors is an integer number (3947292).

Almost surely, 2^23663973 is an apocalyptic number.

It is an amenable number.

23663973 is a deficient number, since it is larger than the sum of its proper divisors (7914363).

23663973 is a wasteful number, since it uses less digits than its factorization.

23663973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

The product of its digits is 122472, while the sum is 39.

The square root of 23663973 is about 4864.5629813993. The cubic root of 23663973 is about 287.0973741550.

It can be divided in two parts, 2366397 and 3, that added together give a triangular number (2366400 = T₂₁₇₅).

The spelling of 23663973 in words is "twenty-three million, six hundred sixty-three thousand, nine hundred seventy-three".