23878719 has 10 divisors (see below), whose sum is σ = 35670800. Its totient is φ = 15919092.

The previous prime is 23878703. The next prime is 23878721. The reversal of 23878719 is 91787832.

It is not a de Polignac number, because 23878719 - 2⁴ = 23878703 is a prime.

It is a super-2 number, since 2×23878719² = 1140386442161922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23878759) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 147319 + ... + 147480.

It is an arithmetic number, because the mean of its divisors is an integer number (3567080).

Almost surely, 2^23878719 is an apocalyptic number.

23878719 is a deficient number, since it is larger than the sum of its proper divisors (11792081).

23878719 is an equidigital number, since it uses as much as digits as its factorization.

23878719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294811 (or 294802 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 23878719 is about 4886.5856177908. The cubic root of 23878719 is about 287.9632114467.

The spelling of 23878719 in words is "twenty-three million, eight hundred seventy-eight thousand, seven hundred nineteen".