23143392 has 144 divisors (see below), whose sum is σ = 72530640. Its totient is φ = 6967296.

The previous prime is 23143381. The next prime is 23143397. The reversal of 23143392 is 29334132.

It is a happy number.

23143392 is a `hidden beast` number, since 231 + 43 + 392 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23143397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141903 + ... + 142065.

It is an arithmetic number, because the mean of its divisors is an integer number (503685).

Almost surely, 2^23143392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23143392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36265320).

23143392 is an abundant number, since it is smaller than the sum of its proper divisors (49387248).

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

23143392 is a wasteful number, since it uses less digits than its factorization.

23143392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 214 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 23143392 is about 4810.7579444408. The cubic root of 23143392 is about 284.9764708184.

The spelling of 23143392 in words is "twenty-three million, one hundred forty-three thousand, three hundred ninety-two".