23623973 has 4 divisors (see below), whose sum is σ = 24867360. Its totient is φ = 22380588.

The previous prime is 23623949. The next prime is 23623979. The reversal of 23623973 is 37932632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23623973 - 2⁶ = 23623909 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 (23623979) 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, 621665 + ... + 621702.

It is an arithmetic number, because the mean of its divisors is an integer number (6216840).

Almost surely, 2^23623973 is an apocalyptic number.

It is an amenable number.

23623973 is a deficient number, since it is larger than the sum of its proper divisors (1243387).

23623973 is a wasteful number, since it uses less digits than its factorization.

23623973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243386.

The product of its digits is 40824, while the sum is 35.

The square root of 23623973 is about 4860.4498762975. The cubic root of 23623973 is about 286.9355195137.

The spelling of 23623973 in words is "twenty-three million, six hundred twenty-three thousand, nine hundred seventy-three".