23249419 has 4 divisors (see below), whose sum is σ = 23816520. Its totient is φ = 22682320.

The previous prime is 23249399. The next prime is 23249423. The reversal of 23249419 is 91494232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23249419 is a prime.

It is a super-2 number, since 2×23249419² = 1081070967675122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23249449) 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, 283489 + ... + 283570.

It is an arithmetic number, because the mean of its divisors is an integer number (5954130).

Almost surely, 2^23249419 is an apocalyptic number.

23249419 is a deficient number, since it is larger than the sum of its proper divisors (567101).

23249419 is an equidigital number, since it uses as much as digits as its factorization.

23249419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567100.

The product of its digits is 15552, while the sum is 34.

The square root of 23249419 is about 4821.7651332266. The cubic root of 23249419 is about 285.4109962276.

The spelling of 23249419 in words is "twenty-three million, two hundred forty-nine thousand, four hundred nineteen".