23388406 has 4 divisors (see below), whose sum is σ = 35082612. Its totient is φ = 11694202.

The previous prime is 23388377. The next prime is 23388419. The reversal of 23388406 is 60488332.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5847100 + ... + 5847103.

It is an arithmetic number, because the mean of its divisors is an integer number (8770653).

Almost surely, 2^23388406 is an apocalyptic number.

23388406 is a deficient number, since it is larger than the sum of its proper divisors (11694206).

23388406 is a wasteful number, since it uses less digits than its factorization.

23388406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11694205.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 23388406 is about 4836.1561182410. The cubic root of 23388406 is about 285.9786037101.

The spelling of 23388406 in words is "twenty-three million, three hundred eighty-eight thousand, four hundred six".