23198479 has 2 divisors, whose sum is σ = 23198480. Its totient is φ = 23198478.

The previous prime is 23198453. The next prime is 23198491. The reversal of 23198479 is 97489132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23198479 - 2²³ = 14809871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23198779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599239 + 11599240.

It is an arithmetic number, because the mean of its divisors is an integer number (11599240).

Almost surely, 2^23198479 is an apocalyptic number.

23198479 is a deficient number, since it is larger than the sum of its proper divisors (1).

23198479 is an equidigital number, since it uses as much as digits as its factorization.

23198479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 23198479 is about 4816.4799387104. The cubic root of 23198479 is about 285.2023965002.

The spelling of 23198479 in words is "twenty-three million, one hundred ninety-eight thousand, four hundred seventy-nine".