23143310443397 has 2 divisors, whose sum is σ = 23143310443398. Its totient is φ = 23143310443396.

The previous prime is 23143310443259. The next prime is 23143310443423. The reversal of 23143310443397 is 79334401334132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16157232395236 + 6986078048161 = 4019606^2 + 2643119^2 .

It is a cyclic number.

It is not a de Polignac number, because 23143310443397 - 2²⁸ = 23143042007941 is a prime.

It is a super-2 number, since 2×23143310443397² (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 (23143310443597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11571655221698 + 11571655221699.

It is an arithmetic number, because the mean of its divisors is an integer number (11571655221699).

Almost surely, 2^{23143310443397} is an apocalyptic number.

It is an amenable number.

23143310443397 is a deficient number, since it is larger than the sum of its proper divisors (1).

23143310443397 is an equidigital number, since it uses as much as digits as its factorization.

23143310443397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 47.

The spelling of 23143310443397 in words is "twenty-three trillion, one hundred forty-three billion, three hundred ten million, four hundred forty-three thousand, three hundred ninety-seven".