23185955 has 24 divisors (see below), whose sum is σ = 31464288. Its totient is φ = 16363776.

The previous prime is 23185933. The next prime is 23185957. The reversal of 23185955 is 55958132.

It is not a de Polignac number, because 23185955 - 2¹⁴ = 23169571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23185957) 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 in 23 ways as a sum of consecutive naturals, for example, 18839 + ... + 20031.

It is an arithmetic number, because the mean of its divisors is an integer number (1311012).

Almost surely, 2^23185955 is an apocalyptic number.

23185955 is a deficient number, since it is larger than the sum of its proper divisors (8278333).

23185955 is a wasteful number, since it uses less digits than its factorization.

23185955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1234 counting only the distinct ones).

The product of its digits is 54000, while the sum is 38.

The square root of 23185955 is about 4815.1796435855. The cubic root of 23185955 is about 285.1510638564.

The spelling of 23185955 in words is "twenty-three million, one hundred eighty-five thousand, nine hundred fifty-five".