45723357131891 has 2 divisors, whose sum is σ = 45723357131892. Its totient is φ = 45723357131890.

The previous prime is 45723357131873. The next prime is 45723357131897. The reversal of 45723357131891 is 19813175332754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45723357131891 - 2²⁶ = 45723290023027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45723357131891.

It is not a weakly prime, because it can be changed into another prime (45723357131897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22861678565945 + 22861678565946.

It is an arithmetic number, because the mean of its divisors is an integer number (22861678565946).

Almost surely, 2^{45723357131891} is an apocalyptic number.

45723357131891 is a deficient number, since it is larger than the sum of its proper divisors (1).

45723357131891 is an equidigital number, since it uses as much as digits as its factorization.

45723357131891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19051200, while the sum is 59.

The spelling of 45723357131891 in words is "forty-five trillion, seven hundred twenty-three billion, three hundred fifty-seven million, one hundred thirty-one thousand, eight hundred ninety-one".