23757973 has 4 divisors (see below), whose sum is σ = 24310528. Its totient is φ = 23205420.

The previous prime is 23757971. The next prime is 23757977. The reversal of 23757973 is 37975732.

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 23757973 - 2¹ = 23757971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 552511 = 23757973 / (2 + 3 + 7 + 5 + 7 + 9 + 7 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23757971) 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, 276213 + ... + 276298.

It is an arithmetic number, because the mean of its divisors is an integer number (6077632).

Almost surely, 2^23757973 is an apocalyptic number.

It is an amenable number.

23757973 is a deficient number, since it is larger than the sum of its proper divisors (552555).

23757973 is an equidigital number, since it uses as much as digits as its factorization.

23757973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552554.

The product of its digits is 277830, while the sum is 43.

The square root of 23757973 is about 4874.2151163033. The cubic root of 23757973 is about 287.4770159320.

The spelling of 23757973 in words is "twenty-three million, seven hundred fifty-seven thousand, nine hundred seventy-three".