45612172423 has 2 divisors, whose sum is σ = 45612172424. Its totient is φ = 45612172422.

The previous prime is 45612172421. The next prime is 45612172433. The reversal of 45612172423 is 32427121654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45612172423 - 2¹ = 45612172421 is a prime.

Together with 45612172421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45612172421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22806086211 + 22806086212.

It is an arithmetic number, because the mean of its divisors is an integer number (22806086212).

Almost surely, 2^45612172423 is an apocalyptic number.

45612172423 is a deficient number, since it is larger than the sum of its proper divisors (1).

45612172423 is an equidigital number, since it uses as much as digits as its factorization.

45612172423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The spelling of 45612172423 in words is "forty-five billion, six hundred twelve million, one hundred seventy-two thousand, four hundred twenty-three".