9323955251381 has 2 divisors, whose sum is σ = 9323955251382. Its totient is φ = 9323955251380.

The previous prime is 9323955251263. The next prime is 9323955251383. The reversal of 9323955251381 is 1831525593239.

It is a happy number.

9323955251381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6343270402225 + 2980684849156 = 2518585^2 + 1726466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9323955251381 is a prime.

It is a super-2 number, since 2×9323955251381² (a number of 27 digits) contains 22 as substring.

Together with 9323955251383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9323955251383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4661977625690 + 4661977625691.

It is an arithmetic number, because the mean of its divisors is an integer number (4661977625691).

Almost surely, 2^{9323955251381} is an apocalyptic number.

It is an amenable number.

9323955251381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9323955251381 is an equidigital number, since it uses as much as digits as its factorization.

9323955251381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748000, while the sum is 56.

The spelling of 9323955251381 in words is "nine trillion, three hundred twenty-three billion, nine hundred fifty-five million, two hundred fifty-one thousand, three hundred eighty-one".