23400328 has 16 divisors (see below), whose sum is σ = 50143680. Its totient is φ = 10028688.

The previous prime is 23400259. The next prime is 23400331. The reversal of 23400328 is 82300432.

It is a junction number, because it is equal to n+sod(n) for n = 23400299 and 23400308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208876 + ... + 208987.

It is an arithmetic number, because the mean of its divisors is an integer number (3133980).

Almost surely, 2^23400328 is an apocalyptic number.

23400328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23400328 is an abundant number, since it is smaller than the sum of its proper divisors (26743352).

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

23400328 is a wasteful number, since it uses less digits than its factorization.

23400328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417876 (or 417872 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 23400328 is about 4837.3885516878. The cubic root of 23400328 is about 286.0271870092.

The spelling of 23400328 in words is "twenty-three million, four hundred thousand, three hundred twenty-eight".