23642943 has 8 divisors (see below), whose sum is σ = 31574400. Its totient is φ = 15736728.

The previous prime is 23642933. The next prime is 23642947. The reversal of 23642943 is 34924632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23642943 - 2⁸ = 23642687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642947) 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, 4003 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (3946800).

Almost surely, 2^23642943 is an apocalyptic number.

23642943 is a deficient number, since it is larger than the sum of its proper divisors (7931457).

23642943 is a wasteful number, since it uses less digits than its factorization.

23642943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621.

The product of its digits is 31104, while the sum is 33.

The square root of 23642943 is about 4862.4009501480. The cubic root of 23642943 is about 287.0123018356.

The spelling of 23642943 in words is "twenty-three million, six hundred forty-two thousand, nine hundred forty-three".