23450219 has 4 divisors (see below), whose sum is σ = 25254096. Its totient is φ = 21646344.

The previous prime is 23450213. The next prime is 23450233. The reversal of 23450219 is 91205432.

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-23450219 is a prime.

It is a super-2 number, since 2×23450219² = 1099825542295922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23450213) 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, 901919 + ... + 901944.

It is an arithmetic number, because the mean of its divisors is an integer number (6313524).

Almost surely, 2^23450219 is an apocalyptic number.

23450219 is a deficient number, since it is larger than the sum of its proper divisors (1803877).

23450219 is a wasteful number, since it uses less digits than its factorization.

23450219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803876.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 23450219 is about 4842.5426172621. The cubic root of 23450219 is about 286.2303188162.

The spelling of 23450219 in words is "twenty-three million, four hundred fifty thousand, two hundred nineteen".