23345432115281 has 2 divisors, whose sum is σ = 23345432115282. Its totient is φ = 23345432115280.

The previous prime is 23345432115179. The next prime is 23345432115287. The reversal of 23345432115281 is 18251123454332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18575755201600 + 4769676913681 = 4309960^2 + 2183959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23345432115281 is a prime.

It is a super-2 number, since 2×23345432115281² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23345432115287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672716057640 + 11672716057641.

It is an arithmetic number, because the mean of its divisors is an integer number (11672716057641).

Almost surely, 2^{23345432115281} is an apocalyptic number.

It is an amenable number.

23345432115281 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345432115281 is an equidigital number, since it uses as much as digits as its factorization.

23345432115281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 44.

The spelling of 23345432115281 in words is "twenty-three trillion, three hundred forty-five billion, four hundred thirty-two million, one hundred fifteen thousand, two hundred eighty-one".