45221642923 has 2 divisors, whose sum is σ = 45221642924. Its totient is φ = 45221642922.

The previous prime is 45221642881. The next prime is 45221642951. The reversal of 45221642923 is 32924612254.

45221642923 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 is a cyclic number.

It is not a de Polignac number, because 45221642923 - 2²¹ = 45219545771 is a prime.

It is not a weakly prime, because it can be changed into another prime (45221643923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22610821461 + 22610821462.

It is an arithmetic number, because the mean of its divisors is an integer number (22610821462).

Almost surely, 2^45221642923 is an apocalyptic number.

45221642923 is a deficient number, since it is larger than the sum of its proper divisors (1).

45221642923 is an equidigital number, since it uses as much as digits as its factorization.

45221642923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The spelling of 45221642923 in words is "forty-five billion, two hundred twenty-one million, six hundred forty-two thousand, nine hundred twenty-three".