23047538 has 8 divisors (see below), whose sum is σ = 34631388. Its totient is φ = 11503744.

The previous prime is 23047511. The next prime is 23047543. The reversal of 23047538 is 83574032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22250089 + 797449 = 4717^2 + 893^2 .

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

It is a super-2 number, since 2×23047538² = 1062378015722888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8531 + ... + 10902.

Almost surely, 2^23047538 is an apocalyptic number.

23047538 is a deficient number, since it is larger than the sum of its proper divisors (11583850).

23047538 is a wasteful number, since it uses less digits than its factorization.

23047538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20028.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 23047538 is about 4800.7851441197. The cubic root of 23047538 is about 284.5824932229.

The spelling of 23047538 in words is "twenty-three million, forty-seven thousand, five hundred thirty-eight".