23190 has 16 divisors (see below), whose sum is σ = 55728. Its totient is φ = 6176.

The previous prime is 23189. The next prime is 23197. The reversal of 23190 is 9132.

It is a super-2 number, since 2×23190² = 1075552200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357 + ... + 416.

It is an arithmetic number, because the mean of its divisors is an integer number (3483).

2²³¹⁹⁰ is an apocalyptic number.

23190 is an abundant number, since it is smaller than the sum of its proper divisors (32538).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27864).

23190 is a wasteful number, since it uses less digits than its factorization.

23190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 23190 is about 152.2826319710. The cubic root of 23190 is about 28.5167645288.

The spelling of 23190 in words is "twenty-three thousand, one hundred ninety".