23135219 has 4 divisors (see below), whose sum is σ = 23351544. Its totient is φ = 22918896.

The previous prime is 23135197. The next prime is 23135251. The reversal of 23135219 is 91253132.

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 23135219 - 2⁸ = 23134963 is a prime.

It is a super-2 number, since 2×23135219² = 1070476716355922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22135219) 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, 108002 + ... + 108215.

It is an arithmetic number, because the mean of its divisors is an integer number (5837886).

Almost surely, 2^23135219 is an apocalyptic number.

23135219 is a deficient number, since it is larger than the sum of its proper divisors (216325).

23135219 is a wasteful number, since it uses less digits than its factorization.

23135219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216324.

The product of its digits is 1620, while the sum is 26.

The square root of 23135219 is about 4809.9084190866. The cubic root of 23135219 is about 284.9429207533.

The spelling of 23135219 in words is "twenty-three million, one hundred thirty-five thousand, two hundred nineteen".