23149192 has 64 divisors (see below), whose sum is σ = 50284800. Its totient is φ = 9891840.

The previous prime is 23149187. The next prime is 23149211. The reversal of 23149192 is 29194132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119848 + ... + 120040.

It is an arithmetic number, because the mean of its divisors is an integer number (785700).

Almost surely, 2^23149192 is an apocalyptic number.

23149192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23149192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25142400).

23149192 is an abundant number, since it is smaller than the sum of its proper divisors (27135608).

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

23149192 is a wasteful number, since it uses less digits than its factorization.

23149192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 282 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 23149192 is about 4811.3607222905. The cubic root of 23149192 is about 285.0002749561. Note that the first 3 decimals are identical.

The spelling of 23149192 in words is "twenty-three million, one hundred forty-nine thousand, one hundred ninety-two".