23538418 has 8 divisors (see below), whose sum is σ = 35349120. Its totient is φ = 11755380.

The previous prime is 23538409. The next prime is 23538419. The reversal of 23538418 is 81483532.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (23538419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (4418640).

Almost surely, 2^23538418 is an apocalyptic number.

23538418 is a deficient number, since it is larger than the sum of its proper divisors (11810702).

23538418 is a wasteful number, since it uses less digits than its factorization.

23538418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13832.

The product of its digits is 23040, while the sum is 34.

The square root of 23538418 is about 4851.6407533947. The cubic root of 23538418 is about 286.5887183657.

The spelling of 23538418 in words is "twenty-three million, five hundred thirty-eight thousand, four hundred eighteen".