23443967 has 16 divisors (see below), whose sum is σ = 25989120. Its totient is φ = 21060000.

The previous prime is 23443963. The next prime is 23443993. The reversal of 23443967 is 76934432.

It is a cyclic number.

It is not a de Polignac number, because 23443967 - 2² = 23443963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23443967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23443963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30842 + ... + 31592.

It is an arithmetic number, because the mean of its divisors is an integer number (1624320).

Almost surely, 2^23443967 is an apocalyptic number.

23443967 is a deficient number, since it is larger than the sum of its proper divisors (2545153).

23443967 is a wasteful number, since it uses less digits than its factorization.

23443967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

The product of its digits is 108864, while the sum is 38.

The square root of 23443967 is about 4841.8970455804. The cubic root of 23443967 is about 286.2048795227.

The spelling of 23443967 in words is "twenty-three million, four hundred forty-three thousand, nine hundred sixty-seven".