23506039 has 4 divisors (see below), whose sum is σ = 23519160. Its totient is φ = 23492920.

The previous prime is 23506009. The next prime is 23506061. The reversal of 23506039 is 93060532.

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 23506039 - 2¹³ = 23497847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23505998 and 23506016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23506009) 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, 3349 + ... + 7630.

It is an arithmetic number, because the mean of its divisors is an integer number (5879790).

Almost surely, 2^23506039 is an apocalyptic number.

23506039 is a deficient number, since it is larger than the sum of its proper divisors (13121).

23506039 is a wasteful number, since it uses less digits than its factorization.

23506039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 23506039 is about 4848.3026926957. The cubic root of 23506039 is about 286.4572494023.

The spelling of 23506039 in words is "twenty-three million, five hundred six thousand, thirty-nine".