23156099 has 2 divisors, whose sum is σ = 23156100. Its totient is φ = 23156098.

The previous prime is 23156047. The next prime is 23156113. The reversal of 23156099 is 99065132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23156099 - 2⁸ = 23155843 is a prime.

It is not a weakly prime, because it can be changed into another prime (23156899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11578049 + 11578050.

It is an arithmetic number, because the mean of its divisors is an integer number (11578050).

Almost surely, 2^23156099 is an apocalyptic number.

23156099 is a deficient number, since it is larger than the sum of its proper divisors (1).

23156099 is an equidigital number, since it uses as much as digits as its factorization.

23156099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 23156099 is about 4812.0784490696. The cubic root of 23156099 is about 285.0286172146.

The spelling of 23156099 in words is "twenty-three million, one hundred fifty-six thousand, ninety-nine".