23698039 has 4 divisors (see below), whose sum is σ = 23919624. Its totient is φ = 23476456.

The previous prime is 23698033. The next prime is 23698057. The reversal of 23698039 is 93089632.

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

It is a cyclic number.

It is not a de Polignac number, because 23698039 - 2⁵ = 23698007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23697992 and 23698010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23698033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110632 + ... + 110845.

It is an arithmetic number, because the mean of its divisors is an integer number (5979906).

Almost surely, 2^23698039 is an apocalyptic number.

23698039 is a deficient number, since it is larger than the sum of its proper divisors (221585).

23698039 is a wasteful number, since it uses less digits than its factorization.

23698039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221584.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 23698039 is about 4868.0631672155. The cubic root of 23698039 is about 287.2350739088.

The spelling of 23698039 in words is "twenty-three million, six hundred ninety-eight thousand, thirty-nine".