45311423 has 2 divisors, whose sum is σ = 45311424. Its totient is φ = 45311422.

The previous prime is 45311411. The next prime is 45311467. The reversal of 45311423 is 32411354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45311423 - 2⁴ = 45311407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45311473) 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, 22655711 + 22655712.

It is an arithmetic number, because the mean of its divisors is an integer number (22655712).

Almost surely, 2^45311423 is an apocalyptic number.

45311423 is a deficient number, since it is larger than the sum of its proper divisors (1).

45311423 is an equidigital number, since it uses as much as digits as its factorization.

45311423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 45311423 is about 6731.3760108911. The cubic root of 45311423 is about 356.5079622143.

Adding to 45311423 its reverse (32411354), we get a palindrome (77722777).

The spelling of 45311423 in words is "forty-five million, three hundred eleven thousand, four hundred twenty-three".