23772943 has 4 divisors (see below), whose sum is σ = 24059448. Its totient is φ = 23486440.

The previous prime is 23772941. The next prime is 23772967. The reversal of 23772943 is 34927732.

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

It is a cyclic number.

It is not a de Polignac number, because 23772943 - 2¹ = 23772941 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23772941) 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, 143128 + ... + 143293.

It is an arithmetic number, because the mean of its divisors is an integer number (6014862).

Almost surely, 2^23772943 is an apocalyptic number.

23772943 is a deficient number, since it is larger than the sum of its proper divisors (286505).

23772943 is an equidigital number, since it uses as much as digits as its factorization.

23772943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286504.

The product of its digits is 63504, while the sum is 37.

The square root of 23772943 is about 4875.7505063323. The cubic root of 23772943 is about 287.5373834186.

The spelling of 23772943 in words is "twenty-three million, seven hundred seventy-two thousand, nine hundred forty-three".