23152014517 has 2 divisors, whose sum is σ = 23152014518. Its totient is φ = 23152014516.

The previous prime is 23152014511. The next prime is 23152014581. The reversal of 23152014517 is 71541025132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15273499396 + 7878515121 = 123586^2 + 88761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23152014517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23152014511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576007258 + 11576007259.

It is an arithmetic number, because the mean of its divisors is an integer number (11576007259).

Almost surely, 2^23152014517 is an apocalyptic number.

It is an amenable number.

23152014517 is a deficient number, since it is larger than the sum of its proper divisors (1).

23152014517 is an equidigital number, since it uses as much as digits as its factorization.

23152014517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

Adding to 23152014517 its reverse (71541025132), we get a palindrome (94693039649).

The spelling of 23152014517 in words is "twenty-three billion, one hundred fifty-two million, fourteen thousand, five hundred seventeen".