23478380 has 24 divisors (see below), whose sum is σ = 50355648. Its totient is φ = 9191168.

The previous prime is 23478379. The next prime is 23478397. The reversal of 23478380 is 8387432.

It is a self number, because there is not a number n which added to its sum of digits gives 23478380.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11549 + ... + 13428.

It is an arithmetic number, because the mean of its divisors is an integer number (2098152).

Almost surely, 2^23478380 is an apocalyptic number.

23478380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23478380 is an abundant number, since it is smaller than the sum of its proper divisors (26877268).

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

23478380 is a wasteful number, since it uses less digits than its factorization.

23478380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25033 (or 25031 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 23478380 is about 4845.4494115613. The cubic root of 23478380 is about 286.3448494818.

The spelling of 23478380 in words is "twenty-three million, four hundred seventy-eight thousand, three hundred eighty".