23477838 has 8 divisors (see below), whose sum is σ = 46955688. Its totient is φ = 7825944.

The previous prime is 23477813. The next prime is 23477843. The reversal of 23477838 is 83877432.

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

23477838 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 23477838.

It is a congruent number.

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, 1956481 + ... + 1956492.

It is an arithmetic number, because the mean of its divisors is an integer number (5869461).

Almost surely, 2^23477838 is an apocalyptic number.

23477838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23477838 is a wasteful number, since it uses less digits than its factorization.

23477838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912978.

The product of its digits is 225792, while the sum is 42.

The square root of 23477838 is about 4845.3934824738. The cubic root of 23477838 is about 286.3426460347.

The spelling of 23477838 in words is "twenty-three million, four hundred seventy-seven thousand, eight hundred thirty-eight".