23423019 has 4 divisors (see below), whose sum is σ = 31230696. Its totient is φ = 15615344.

The previous prime is 23422951. The next prime is 23423047. The reversal of 23423019 is 91032432.

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 23423019 - 2¹⁶ = 23357483 is a prime.

It is a super-2 number, since 2×23423019² = 1097275638148722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23423019.

It is not an unprimeable number, because it can be changed into a prime (23425019) 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, 3903834 + ... + 3903839.

It is an arithmetic number, because the mean of its divisors is an integer number (7807674).

Almost surely, 2^23423019 is an apocalyptic number.

23423019 is a deficient number, since it is larger than the sum of its proper divisors (7807677).

23423019 is an equidigital number, since it uses as much as digits as its factorization.

23423019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807676.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23423019 is about 4839.7333604239. The cubic root of 23423019 is about 286.1196094486.

The spelling of 23423019 in words is "twenty-three million, four hundred twenty-three thousand, nineteen".