47023457 has 8 divisors (see below), whose sum is σ = 50695680. Its totient is φ = 43359120.

The previous prime is 47023451. The next prime is 47023507. The reversal of 47023457 is 75432074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47023457 - 2⁴ = 47023441 is a prime.

It is a super-2 number, since 2×47023457² = 4422411016461698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47023451) 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, 17894 + ... + 20352.

It is an arithmetic number, because the mean of its divisors is an integer number (6336960).

Almost surely, 2^47023457 is an apocalyptic number.

It is an amenable number.

47023457 is a deficient number, since it is larger than the sum of its proper divisors (3672223).

47023457 is a wasteful number, since it uses less digits than its factorization.

47023457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 47023457 is about 6857.3651645512. The cubic root of 47023457 is about 360.9426350737.

The spelling of 47023457 in words is "forty-seven million, twenty-three thousand, four hundred fifty-seven".