23890353559 has 2 divisors, whose sum is σ = 23890353560. Its totient is φ = 23890353558.

The previous prime is 23890353493. The next prime is 23890353587. The reversal of 23890353559 is 95535309832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23890353559 - 2²⁷ = 23756135831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23890353259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11945176779 + 11945176780.

It is an arithmetic number, because the mean of its divisors is an integer number (11945176780).

Almost surely, 2^23890353559 is an apocalyptic number.

23890353559 is a deficient number, since it is larger than the sum of its proper divisors (1).

23890353559 is an equidigital number, since it uses as much as digits as its factorization.

23890353559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374000, while the sum is 52.

The spelling of 23890353559 in words is "twenty-three billion, eight hundred ninety million, three hundred fifty-three thousand, five hundred fifty-nine".