23258823817 has 2 divisors, whose sum is σ = 23258823818. Its totient is φ = 23258823816.

The previous prime is 23258823739. The next prime is 23258823823. The reversal of 23258823817 is 71832885232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12272429961 + 10986393856 = 110781^2 + 104816^2 .

It is a cyclic number.

It is not a de Polignac number, because 23258823817 - 2¹⁹ = 23258299529 is a prime.

It is a super-4 number, since 4×23258823817⁴ (a number of 43 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (23258823317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11629411908 + 11629411909.

It is an arithmetic number, because the mean of its divisors is an integer number (11629411909).

Almost surely, 2^23258823817 is an apocalyptic number.

It is an amenable number.

23258823817 is a deficient number, since it is larger than the sum of its proper divisors (1).

23258823817 is an equidigital number, since it uses as much as digits as its factorization.

23258823817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 49.

The spelling of 23258823817 in words is "twenty-three billion, two hundred fifty-eight million, eight hundred twenty-three thousand, eight hundred seventeen".