23961943 has 2 divisors, whose sum is σ = 23961944. Its totient is φ = 23961942.

The previous prime is 23961919. The next prime is 23961967. The reversal of 23961943 is 34916932.

It is a balanced prime because it is at equal distance from previous prime (23961919) and next prime (23961967).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23961943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23991943) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11980971 + 11980972.

It is an arithmetic number, because the mean of its divisors is an integer number (11980972).

Almost surely, 2^23961943 is an apocalyptic number.

23961943 is a deficient number, since it is larger than the sum of its proper divisors (1).

23961943 is an equidigital number, since it uses as much as digits as its factorization.

23961943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 37.

The square root of 23961943 is about 4895.0937682541. The cubic root of 23961943 is about 288.2973675908.

The spelling of 23961943 in words is "twenty-three million, nine hundred sixty-one thousand, nine hundred forty-three".