23156195 has 16 divisors (see below), whose sum is σ = 28574208. Its totient is φ = 18006240.

The previous prime is 23156179. The next prime is 23156201. The reversal of 23156195 is 59165132.

It is not a de Polignac number, because 23156195 - 2⁴ = 23156179 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49352 + ... + 49818.

It is an arithmetic number, because the mean of its divisors is an integer number (1785888).

Almost surely, 2^23156195 is an apocalyptic number.

23156195 is a deficient number, since it is larger than the sum of its proper divisors (5418013).

23156195 is a wasteful number, since it uses less digits than its factorization.

23156195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730.

The product of its digits is 8100, while the sum is 32.

The square root of 23156195 is about 4812.0884239590. The cubic root of 23156195 is about 285.0290111024.

The spelling of 23156195 in words is "twenty-three million, one hundred fifty-six thousand, one hundred ninety-five".