45211323 has 4 divisors (see below), whose sum is σ = 60281768. Its totient is φ = 30140880.

The previous prime is 45211297. The next prime is 45211333. The reversal of 45211323 is 32311254.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45211323 - 2⁹ = 45210811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45211323.

It is not an unprimeable number, because it can be changed into a prime (45211333) 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 in 3 ways as a sum of consecutive naturals, for example, 7535218 + ... + 7535223.

It is an arithmetic number, because the mean of its divisors is an integer number (15070442).

Almost surely, 2^45211323 is an apocalyptic number.

45211323 is a deficient number, since it is larger than the sum of its proper divisors (15070445).

45211323 is a wasteful number, since it uses less digits than its factorization.

45211323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070444.

The product of its digits is 720, while the sum is 21.

The square root of 45211323 is about 6723.9365701946. The cubic root of 45211323 is about 356.2452414261.

Adding to 45211323 its reverse (32311254), we get a palindrome (77522577).

The spelling of 45211323 in words is "forty-five million, two hundred eleven thousand, three hundred twenty-three".