23943091 has 2 divisors, whose sum is σ = 23943092. Its totient is φ = 23943090.

The previous prime is 23943077. The next prime is 23943103. The reversal of 23943091 is 19034932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23943091 - 2¹³ = 23934899 is a prime.

It is not a weakly prime, because it can be changed into another prime (23943011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971545 + 11971546.

It is an arithmetic number, because the mean of its divisors is an integer number (11971546).

Almost surely, 2^23943091 is an apocalyptic number.

23943091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23943091 is an equidigital number, since it uses as much as digits as its factorization.

23943091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 23943091 is about 4893.1677878446. The cubic root of 23943091 is about 288.2217420052.

The spelling of 23943091 in words is "twenty-three million, nine hundred forty-three thousand, ninety-one".