23454143291 has 2 divisors, whose sum is σ = 23454143292. Its totient is φ = 23454143290.

The previous prime is 23454143261. The next prime is 23454143329. The reversal of 23454143291 is 19234145432.

It is an a-pointer prime, because the next prime (23454143329) can be obtained adding 23454143291 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23454143291 - 2¹⁸ = 23453881147 is a prime.

It is not a weakly prime, because it can be changed into another prime (23454143261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11727071645 + 11727071646.

It is an arithmetic number, because the mean of its divisors is an integer number (11727071646).

Almost surely, 2^23454143291 is an apocalyptic number.

23454143291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23454143291 is an equidigital number, since it uses as much as digits as its factorization.

23454143291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The spelling of 23454143291 in words is "twenty-three billion, four hundred fifty-four million, one hundred forty-three thousand, two hundred ninety-one".