23293973 has 4 divisors (see below), whose sum is σ = 23464140. Its totient is φ = 23123808.

The previous prime is 23293969. The next prime is 23294017. The reversal of 23293973 is 37939232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4571044 + 18722929 = 2138^2 + 4327^2 .

It is a cyclic number.

It is not a de Polignac number, because 23293973 - 2² = 23293969 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 (23293903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84878 + ... + 85151.

It is an arithmetic number, because the mean of its divisors is an integer number (5866035).

Almost surely, 2^23293973 is an apocalyptic number.

It is an amenable number.

23293973 is a deficient number, since it is larger than the sum of its proper divisors (170167).

23293973 is a wasteful number, since it uses less digits than its factorization.

23293973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170166.

The product of its digits is 61236, while the sum is 38.

The square root of 23293973 is about 4826.3830142250. The cubic root of 23293973 is about 285.5931955802.

It can be divided in two parts, 2329397 and 3, that multiplied together give a triangular number (6988191 = T₃₇₃₈).

The spelling of 23293973 in words is "twenty-three million, two hundred ninety-three thousand, nine hundred seventy-three".