23189494 has 8 divisors (see below), whose sum is σ = 34877160. Its totient is φ = 11563776.

The previous prime is 23189459. The next prime is 23189527. The reversal of 23189494 is 49498132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14539 + ... + 16054.

It is an arithmetic number, because the mean of its divisors is an integer number (4359645).

Almost surely, 2^23189494 is an apocalyptic number.

23189494 is a deficient number, since it is larger than the sum of its proper divisors (11687666).

23189494 is a wasteful number, since it uses less digits than its factorization.

23189494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30974.

The product of its digits is 62208, while the sum is 40.

The square root of 23189494 is about 4815.5471132572. The cubic root of 23189494 is about 285.1655711774.

The spelling of 23189494 in words is "twenty-three million, one hundred eighty-nine thousand, four hundred ninety-four".