23939078 has 4 divisors (see below), whose sum is σ = 35908620. Its totient is φ = 11969538.

The previous prime is 23939063. The next prime is 23939081. The reversal of 23939078 is 87093932.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 5984768 + ... + 5984771.

It is an arithmetic number, because the mean of its divisors is an integer number (8977155).

Almost surely, 2^23939078 is an apocalyptic number.

23939078 is a deficient number, since it is larger than the sum of its proper divisors (11969542).

23939078 is a wasteful number, since it uses less digits than its factorization.

23939078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11969541.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 23939078 is about 4892.7577091043. The cubic root of 23939078 is about 288.2056385640.

The spelling of 23939078 in words is "twenty-three million, nine hundred thirty-nine thousand, seventy-eight".