23155950 has 24 divisors (see below), whose sum is σ = 57427128. Its totient is φ = 6174880.

The previous prime is 23155919. The next prime is 23155981. The reversal of 23155950 is 5955132.

It is an interprime number because it is at equal distance from previous prime (23155919) and next prime (23155981).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 77037 + ... + 77336.

It is an arithmetic number, because the mean of its divisors is an integer number (2392797).

Almost surely, 2^23155950 is an apocalyptic number.

23155950 is an abundant number, since it is smaller than the sum of its proper divisors (34271178).

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

23155950 is a wasteful number, since it uses less digits than its factorization.

23155950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154388 (or 154383 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 23155950 is about 4812.0629671691. The cubic root of 23155950 is about 285.0280058659.

The spelling of 23155950 in words is "twenty-three million, one hundred fifty-five thousand, nine hundred fifty".