23191950 has 24 divisors (see below), whose sum is σ = 57516408. Its totient is φ = 6184480.

The previous prime is 23191907. The next prime is 23191957. The reversal of 23191950 is 5919132.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23191957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77157 + ... + 77456.

It is an arithmetic number, because the mean of its divisors is an integer number (2396517).

Almost surely, 2^23191950 is an apocalyptic number.

23191950 is an abundant number, since it is smaller than the sum of its proper divisors (34324458).

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

23191950 is a wasteful number, since it uses less digits than its factorization.

23191950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154628 (or 154623 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 23191950 is about 4815.8021138747. The cubic root of 23191950 is about 285.1756381200.

The spelling of 23191950 in words is "twenty-three million, one hundred ninety-one thousand, nine hundred fifty".