23190132 has 36 divisors (see below), whose sum is σ = 62946240. Its totient is φ = 6625584.

The previous prime is 23190119. The next prime is 23190137. The reversal of 23190132 is 23109132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23190099 and 23190108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23190137) by changing a digit.

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, 19132 + ... + 20307.

Almost surely, 2^23190132 is an apocalyptic number.

It is an amenable number.

23190132 is an abundant number, since it is smaller than the sum of its proper divisors (39756108).

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

23190132 is a wasteful number, since it uses less digits than its factorization.

23190132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39460 (or 39451 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 23190132 is about 4815.6133565726. The cubic root of 23190132 is about 285.1681863554.

Adding to 23190132 its reverse (23109132), we get a palindrome (46299264).

The spelling of 23190132 in words is "twenty-three million, one hundred ninety thousand, one hundred thirty-two".