23143259 has 2 divisors, whose sum is σ = 23143260. Its totient is φ = 23143258.

The previous prime is 23143199. The next prime is 23143261. The reversal of 23143259 is 95234132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23143259 is a prime.

It is a super-2 number, since 2×23143259² = 1071220874282162, which contains 22 as substring.

Together with 23143261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23143459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571629 + 11571630.

It is an arithmetic number, because the mean of its divisors is an integer number (11571630).

Almost surely, 2^23143259 is an apocalyptic number.

23143259 is a deficient number, since it is larger than the sum of its proper divisors (1).

23143259 is an equidigital number, since it uses as much as digits as its factorization.

23143259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 23143259 is about 4810.7441212353. The cubic root of 23143259 is about 284.9759249182.

The spelling of 23143259 in words is "twenty-three million, one hundred forty-three thousand, two hundred fifty-nine".