47023320 has 32 divisors (see below), whose sum is σ = 141070320. Its totient is φ = 12539520.

The previous prime is 47023307. The next prime is 47023387. The reversal of 47023320 is 2332074.

It is a happy number.

It is a super-2 number, since 2×47023320² = 4422385247644800, which contains 22 as substring.

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, 195811 + ... + 196050.

Almost surely, 2^47023320 is an apocalyptic number.

47023320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47023320 is an abundant number, since it is smaller than the sum of its proper divisors (94047000).

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

47023320 is a wasteful number, since it uses less digits than its factorization.

47023320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391875 (or 391871 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 47023320 is about 6857.3551752844. The cubic root of 47023320 is about 360.9422845452.

Adding to 47023320 its reverse (2332074), we get a palindrome (49355394).

The spelling of 47023320 in words is "forty-seven million, twenty-three thousand, three hundred twenty".