23081719 has 16 divisors (see below), whose sum is σ = 24820992. Its totient is φ = 21417088.

The previous prime is 23081717. The next prime is 23081741. The reversal of 23081719 is 91718032.

It is a cyclic number.

It is not a de Polignac number, because 23081719 - 2¹ = 23081717 is a prime.

It is a super-2 number, since 2×23081719² = 1065531503989922, 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 (23081711) 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, 204207 + ... + 204319.

It is an arithmetic number, because the mean of its divisors is an integer number (1551312).

Almost surely, 2^23081719 is an apocalyptic number.

23081719 is a deficient number, since it is larger than the sum of its proper divisors (1739273).

23081719 is a wasteful number, since it uses less digits than its factorization.

23081719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 23081719 is about 4804.3437637205. The cubic root of 23081719 is about 284.7231085229.

The spelling of 23081719 in words is "twenty-three million, eighty-one thousand, seven hundred nineteen".