800023918 has 16 divisors (see below), whose sum is σ = 1263755520. Its totient is φ = 378790776.

The previous prime is 800023897. The next prime is 800023933. The reversal of 800023918 is 819320008.

It is a self number, because there is not a number n which added to its sum of digits gives 800023918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142521 + ... + 148027.

It is an arithmetic number, because the mean of its divisors is an integer number (78984720).

Almost surely, 2^800023918 is an apocalyptic number.

800023918 is a deficient number, since it is larger than the sum of its proper divisors (463731602).

800023918 is a wasteful number, since it uses less digits than its factorization.

800023918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 800023918 is about 28284.6940588015. The cubic root of 800023918 is about 928.3270180905.

The spelling of 800023918 in words is "eight hundred million, twenty-three thousand, nine hundred eighteen".