23444963 has 16 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 21808416.

The previous prime is 23444951. The next prime is 23444977. The reversal of 23444963 is 36944432.

It is a Cunningham number, because it is equal to 4842²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23444963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23444903) 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, 140306 + ... + 140472.

It is an arithmetic number, because the mean of its divisors is an integer number (1572480).

Almost surely, 2^23444963 is an apocalyptic number.

23444963 is a deficient number, since it is larger than the sum of its proper divisors (1714717).

23444963 is a wasteful number, since it uses less digits than its factorization.

23444963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346.

The product of its digits is 62208, while the sum is 35.

The square root of 23444963 is about 4841.9998967369. Note that the first 3 decimals coincide. The cubic root of 23444963 is about 286.2089325345.

The spelling of 23444963 in words is "twenty-three million, four hundred forty-four thousand, nine hundred sixty-three".