23018862 has 16 divisors (see below), whose sum is σ = 46621440. Its totient is φ = 7575672.

The previous prime is 23018857. The next prime is 23018873. The reversal of 23018862 is 26881032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23808 + ... + 24755.

It is an arithmetic number, because the mean of its divisors is an integer number (2913840).

Almost surely, 2^23018862 is an apocalyptic number.

23018862 is an abundant number, since it is smaller than the sum of its proper divisors (23602578).

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

23018862 is a wasteful number, since it uses less digits than its factorization.

23018862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48647.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 23018862 is about 4797.7976197418. The cubic root of 23018862 is about 284.4644173507.

Adding to 23018862 its reverse (26881032), we get a palindrome (49899894).

The spelling of 23018862 in words is "twenty-three million, eighteen thousand, eight hundred sixty-two".