23400382 has 4 divisors (see below), whose sum is σ = 35100576. Its totient is φ = 11700190.

The previous prime is 23400367. The next prime is 23400389. The reversal of 23400382 is 28300432.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850094 + ... + 5850097.

It is an arithmetic number, because the mean of its divisors is an integer number (8775144).

Almost surely, 2^23400382 is an apocalyptic number.

23400382 is a deficient number, since it is larger than the sum of its proper divisors (11700194).

23400382 is a wasteful number, since it uses less digits than its factorization.

23400382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11700193.

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

The square root of 23400382 is about 4837.3941332085. The cubic root of 23400382 is about 286.0274070268.

The spelling of 23400382 in words is "twenty-three million, four hundred thousand, three hundred eighty-two".