47023518 has 16 divisors (see below), whose sum is σ = 98997120. Its totient is φ = 14849496.

The previous prime is 47023507. The next prime is 47023519. The reversal of 47023518 is 81532074.

It is a super-2 number, since 2×47023518² = 4422422490192648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47023519) 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, 206130 + ... + 206357.

It is an arithmetic number, because the mean of its divisors is an integer number (6187320).

Almost surely, 2^47023518 is an apocalyptic number.

47023518 is an abundant number, since it is smaller than the sum of its proper divisors (51973602).

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

47023518 is a wasteful number, since it uses less digits than its factorization.

47023518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412511.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 47023518 is about 6857.3696123222. The cubic root of 47023518 is about 360.9427911482.

The spelling of 47023518 in words is "forty-seven million, twenty-three thousand, five hundred eighteen".