45729240931723 has 2 divisors, whose sum is σ = 45729240931724. Its totient is φ = 45729240931722.

The previous prime is 45729240931709. The next prime is 45729240931739. The reversal of 45729240931723 is 32713904292754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45729240931723 is a prime.

It is not a weakly prime, because it can be changed into another prime (45729240931783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22864620465861 + 22864620465862.

It is an arithmetic number, because the mean of its divisors is an integer number (22864620465862).

Almost surely, 2^{45729240931723} is an apocalyptic number.

45729240931723 is a deficient number, since it is larger than the sum of its proper divisors (1).

45729240931723 is an equidigital number, since it uses as much as digits as its factorization.

45729240931723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 45729240931723 in words is "forty-five trillion, seven hundred twenty-nine billion, two hundred forty million, nine hundred thirty-one thousand, seven hundred twenty-three".