23681955 has 16 divisors (see below), whose sum is σ = 41336064. Its totient is φ = 11482080.

The previous prime is 23681947. The next prime is 23681971. The reversal of 23681955 is 55918632.

It is not a de Polignac number, because 23681955 - 2³ = 23681947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71599 + ... + 71928.

It is an arithmetic number, because the mean of its divisors is an integer number (2583504).

Almost surely, 2^23681955 is an apocalyptic number.

23681955 is a deficient number, since it is larger than the sum of its proper divisors (17654109).

23681955 is a wasteful number, since it uses less digits than its factorization.

23681955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143546.

The product of its digits is 64800, while the sum is 39.

The square root of 23681955 is about 4866.4108951053. The cubic root of 23681955 is about 287.1700764842.

The spelling of 23681955 in words is "twenty-three million, six hundred eighty-one thousand, nine hundred fifty-five".