23387842 has 8 divisors (see below), whose sum is σ = 35212032. Its totient is φ = 11650500.

The previous prime is 23387821. The next prime is 23387867. The reversal of 23387842 is 24878332.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 21034 + ... + 22117.

It is an arithmetic number, because the mean of its divisors is an integer number (4401504).

Almost surely, 2^23387842 is an apocalyptic number.

23387842 is a deficient number, since it is larger than the sum of its proper divisors (11824190).

23387842 is a wasteful number, since it uses less digits than its factorization.

23387842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43424.

The product of its digits is 64512, while the sum is 37.

The square root of 23387842 is about 4836.0978071168. The cubic root of 23387842 is about 285.9763049468.

The spelling of 23387842 in words is "twenty-three million, three hundred eighty-seven thousand, eight hundred forty-two".