23453665451413 has 2 divisors, whose sum is σ = 23453665451414. Its totient is φ = 23453665451412.

The previous prime is 23453665451353. The next prime is 23453665451453. The reversal of 23453665451413 is 31415456635432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18050746412689 + 5402919038724 = 4248617^2 + 2324418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23453665451413 is a prime.

It is a super-2 number, since 2×23453665451413² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23453665451453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11726832725706 + 11726832725707.

It is an arithmetic number, because the mean of its divisors is an integer number (11726832725707).

Almost surely, 2^{23453665451413} is an apocalyptic number.

It is an amenable number.

23453665451413 is a deficient number, since it is larger than the sum of its proper divisors (1).

23453665451413 is an equidigital number, since it uses as much as digits as its factorization.

23453665451413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552000, while the sum is 52.

The spelling of 23453665451413 in words is "twenty-three trillion, four hundred fifty-three billion, six hundred sixty-five million, four hundred fifty-one thousand, four hundred thirteen".