23085719 has 4 divisors (see below), whose sum is σ = 23186760. Its totient is φ = 22984680.

The previous prime is 23085707. The next prime is 23085761. The reversal of 23085719 is 91758032.

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 23085719 - 2⁸ = 23085463 is a prime.

It is a super-2 number, since 2×23085719² = 1065900843493922, 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 (23087719) 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, 50177 + ... + 50634.

It is an arithmetic number, because the mean of its divisors is an integer number (5796690).

Almost surely, 2^23085719 is an apocalyptic number.

23085719 is a deficient number, since it is larger than the sum of its proper divisors (101041).

23085719 is a wasteful number, since it uses less digits than its factorization.

23085719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101040.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 23085719 is about 4804.7600356313. The cubic root of 23085719 is about 284.7395548233.

The spelling of 23085719 in words is "twenty-three million, eighty-five thousand, seven hundred nineteen".