23198269 has 4 divisors (see below), whose sum is σ = 23591520. Its totient is φ = 22805020.

The previous prime is 23198249. The next prime is 23198293. The reversal of 23198269 is 96289132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23198269 is a prime.

It is a super-2 number, since 2×23198269² = 1076319369192722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23198209) 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, 196537 + ... + 196654.

It is an arithmetic number, because the mean of its divisors is an integer number (5897880).

Almost surely, 2^23198269 is an apocalyptic number.

It is an amenable number.

23198269 is a deficient number, since it is larger than the sum of its proper divisors (393251).

23198269 is an equidigital number, since it uses as much as digits as its factorization.

23198269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393250.

The product of its digits is 46656, while the sum is 40.

The square root of 23198269 is about 4816.4581385080. The cubic root of 23198269 is about 285.2015359167.

The spelling of 23198269 in words is "twenty-three million, one hundred ninety-eight thousand, two hundred sixty-nine".