23803039 has 4 divisors (see below), whose sum is σ = 25634056. Its totient is φ = 21972024.

The previous prime is 23803033. The next prime is 23803049. The reversal of 23803039 is 93030832.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23803039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23802998 and 23803016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23803033) 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, 915489 + ... + 915514.

It is an arithmetic number, because the mean of its divisors is an integer number (6408514).

Almost surely, 2^23803039 is an apocalyptic number.

23803039 is a deficient number, since it is larger than the sum of its proper divisors (1831017).

23803039 is a wasteful number, since it uses less digits than its factorization.

23803039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831016.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 23803039 is about 4878.8358242515. The cubic root of 23803039 is about 287.6586708258.

The spelling of 23803039 in words is "twenty-three million, eight hundred three thousand, thirty-nine".