47423508 has 48 divisors (see below), whose sum is σ = 121243584. Its totient is φ = 14307840.

The previous prime is 47423507. The next prime is 47423533. The reversal of 47423508 is 80532474.

It is a super-2 number, since 2×47423508² = 4497978222052128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47423503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35916 + ... + 37212.

It is an arithmetic number, because the mean of its divisors is an integer number (2525908).

Almost surely, 2^47423508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47423508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60621792).

47423508 is an abundant number, since it is smaller than the sum of its proper divisors (73820076).

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

47423508 is a wasteful number, since it uses less digits than its factorization.

47423508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 47423508 is about 6886.4728272171. The cubic root of 47423508 is about 361.9633164907.

The spelling of 47423508 in words is "forty-seven million, four hundred twenty-three thousand, five hundred eight".