23147418 has 16 divisors (see below), whose sum is σ = 52908480. Its totient is φ = 6613536.

The previous prime is 23147413. The next prime is 23147429. The reversal of 23147418 is 81474132.

It is not an unprimeable number, because it can be changed into a prime (23147413) 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, 275523 + ... + 275606.

It is an arithmetic number, because the mean of its divisors is an integer number (3306780).

Almost surely, 2^23147418 is an apocalyptic number.

23147418 is an abundant number, since it is smaller than the sum of its proper divisors (29761062).

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

23147418 is a wasteful number, since it uses less digits than its factorization.

23147418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551141.

The product of its digits is 5376, while the sum is 30.

The square root of 23147418 is about 4811.1763634271. The cubic root of 23147418 is about 284.9929945954.

The spelling of 23147418 in words is "twenty-three million, one hundred forty-seven thousand, four hundred eighteen".