23143459 has 2 divisors, whose sum is σ = 23143460. Its totient is φ = 23143458.

The previous prime is 23143429. The next prime is 23143487. The reversal of 23143459 is 95434132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23143459 - 2¹⁵ = 23110691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23143459.

It is not a weakly prime, because it can be changed into another prime (23143429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571729 + 11571730.

It is an arithmetic number, because the mean of its divisors is an integer number (11571730).

Almost surely, 2^23143459 is an apocalyptic number.

23143459 is a deficient number, since it is larger than the sum of its proper divisors (1).

23143459 is an equidigital number, since it uses as much as digits as its factorization.

23143459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 23143459 is about 4810.7649079954. The cubic root of 23143459 is about 284.9767458199.

The spelling of 23143459 in words is "twenty-three million, one hundred forty-three thousand, four hundred fifty-nine".