23789919 has 16 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 14140800.

The previous prime is 23789903. The next prime is 23789923. The reversal of 23789919 is 91998732.

It is not a de Polignac number, because 23789919 - 2⁴ = 23789903 is a prime.

It is a super-2 number, since 2×23789919² = 1131920492053122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23789959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11307 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^23789919 is an apocalyptic number.

23789919 is a deficient number, since it is larger than the sum of its proper divisors (11564961).

23789919 is a wasteful number, since it uses less digits than its factorization.

23789919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24590.

The product of its digits is 244944, while the sum is 48.

The square root of 23789919 is about 4877.4910558606. The cubic root of 23789919 is about 287.6058095730.

The spelling of 23789919 in words is "twenty-three million, seven hundred eighty-nine thousand, nine hundred nineteen".