23191146 has 24 divisors (see below), whose sum is σ = 54815904. Its totient is φ = 7027560.

The previous prime is 23191139. The next prime is 23191187. The reversal of 23191146 is 64119132.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58366 + ... + 58761.

It is an arithmetic number, because the mean of its divisors is an integer number (2283996).

Almost surely, 2^23191146 is an apocalyptic number.

23191146 is an abundant number, since it is smaller than the sum of its proper divisors (31624758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23191146 is a wasteful number, since it uses less digits than its factorization.

23191146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117146 (or 117143 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 23191146 is about 4815.7186379605. The cubic root of 23191146 is about 285.1723426682.

The spelling of 23191146 in words is "twenty-three million, one hundred ninety-one thousand, one hundred forty-six".