23443907 has 2 divisors, whose sum is σ = 23443908. Its totient is φ = 23443906.

The previous prime is 23443837. The next prime is 23443921. The reversal of 23443907 is 70934432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23443907 - 2¹² = 23439811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23443307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721953 + 11721954.

It is an arithmetic number, because the mean of its divisors is an integer number (11721954).

Almost surely, 2^23443907 is an apocalyptic number.

23443907 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443907 is an equidigital number, since it uses as much as digits as its factorization.

23443907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 23443907 is about 4841.8908496578. The cubic root of 23443907 is about 286.2046353617.

The spelling of 23443907 in words is "twenty-three million, four hundred forty-three thousand, nine hundred seven".