23030219 has 4 divisors (see below), whose sum is σ = 23105544. Its totient is φ = 22954896.

The previous prime is 23030213. The next prime is 23030239. The reversal of 23030219 is 91203032.

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-23030219 is a prime.

It is a super-2 number, since 2×23030219² = 1060781974375922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23030219.

It is not an unprimeable number, because it can be changed into a prime (23030213) 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, 37202 + ... + 37815.

It is an arithmetic number, because the mean of its divisors is an integer number (5776386).

Almost surely, 2^23030219 is an apocalyptic number.

23030219 is a deficient number, since it is larger than the sum of its proper divisors (75325).

23030219 is an equidigital number, since it uses as much as digits as its factorization.

23030219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75324.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 23030219 is about 4798.9810376787. The cubic root of 23030219 is about 284.5111924870.

The spelling of 23030219 in words is "twenty-three million, thirty thousand, two hundred nineteen".