23350091 has 2 divisors, whose sum is σ = 23350092. Its totient is φ = 23350090.

The previous prime is 23350081. The next prime is 23350097. The reversal of 23350091 is 19005332.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23350091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23350097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11675045 + 11675046.

It is an arithmetic number, because the mean of its divisors is an integer number (11675046).

Almost surely, 2^23350091 is an apocalyptic number.

23350091 is a deficient number, since it is larger than the sum of its proper divisors (1).

23350091 is an equidigital number, since it uses as much as digits as its factorization.

23350091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 23350091 is about 4832.1931873633. The cubic root of 23350091 is about 285.8223545117.

The spelling of 23350091 in words is "twenty-three million, three hundred fifty thousand, ninety-one".