23297719 has 4 divisors (see below), whose sum is σ = 23353480. Its totient is φ = 23241960.

The previous prime is 23297713. The next prime is 23297723. The reversal of 23297719 is 91779232.

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 23297719 - 2¹³ = 23289527 is a prime.

It is a super-2 number, since 2×23297719² = 1085567421205922, 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 (23297713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27249 + ... + 28090.

It is an arithmetic number, because the mean of its divisors is an integer number (5838370).

Almost surely, 2^23297719 is an apocalyptic number.

23297719 is a deficient number, since it is larger than the sum of its proper divisors (55761).

23297719 is an equidigital number, since it uses as much as digits as its factorization.

23297719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55760.

The product of its digits is 47628, while the sum is 40.

The square root of 23297719 is about 4826.7710739168. The cubic root of 23297719 is about 285.6085039001.

The spelling of 23297719 in words is "twenty-three million, two hundred ninety-seven thousand, seven hundred nineteen".