23097919 has 8 divisors (see below), whose sum is σ = 24967152. Its totient is φ = 21241920.

The previous prime is 23097913. The next prime is 23097929. The reversal of 23097919 is 91979032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23097919 - 2¹⁹ = 22573631 is a prime.

It is a super-2 number, since 2×23097919² = 1067027724261122, 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 (23097913) 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 7 ways as a sum of consecutive naturals, for example, 492 + ... + 6814.

It is an arithmetic number, because the mean of its divisors is an integer number (3120894).

Almost surely, 2^23097919 is an apocalyptic number.

23097919 is a deficient number, since it is larger than the sum of its proper divisors (1869233).

23097919 is a wasteful number, since it uses less digits than its factorization.

23097919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 23097919 is about 4806.0294422735. The cubic root of 23097919 is about 284.7897043092.

The spelling of 23097919 in words is "twenty-three million, ninety-seven thousand, nine hundred nineteen".