45240205323 has 4 divisors (see below), whose sum is σ = 60320273768. Its totient is φ = 30160136880.

The previous prime is 45240205313. The next prime is 45240205343. The reversal of 45240205323 is 32350204254.

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

It is not a de Polignac number, because 45240205323 - 2¹⁷ = 45240074251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45240205313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7540034218 + ... + 7540034223.

It is an arithmetic number, because the mean of its divisors is an integer number (15080068442).

Almost surely, 2^45240205323 is an apocalyptic number.

45240205323 is a deficient number, since it is larger than the sum of its proper divisors (15080068445).

45240205323 is a wasteful number, since it uses less digits than its factorization.

45240205323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15080068444.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 45240205323 its reverse (32350204254), we get a palindrome (77590409577).

The spelling of 45240205323 in words is "forty-five billion, two hundred forty million, two hundred five thousand, three hundred twenty-three".