23478384 has 20 divisors (see below), whose sum is σ = 60652616. Its totient is φ = 7826112.

The previous prime is 23478379. The next prime is 23478397. The reversal of 23478384 is 48387432.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 244519 + ... + 244614.

Almost surely, 2^23478384 is an apocalyptic number.

23478384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23478384 is an abundant number, since it is smaller than the sum of its proper divisors (37174232).

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

23478384 is a wasteful number, since it uses less digits than its factorization.

23478384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489144 (or 489138 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 23478384 is about 4845.4498243197. The cubic root of 23478384 is about 286.3448657432.

It can be divided in two parts, 2347 and 8384, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 23478384 in words is "twenty-three million, four hundred seventy-eight thousand, three hundred eighty-four".