45323211523 has 4 divisors (see below), whose sum is σ = 45526454848. Its totient is φ = 45119968200.

The previous prime is 45323211517. The next prime is 45323211529. The reversal of 45323211523 is 32511232354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32511232354 = 2 ⋅16255616177.

It is an interprime number because it is at equal distance from previous prime (45323211517) and next prime (45323211529).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45323211523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45323211529) 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, 101621328 + ... + 101621773.

It is an arithmetic number, because the mean of its divisors is an integer number (11381613712).

Almost surely, 2^45323211523 is an apocalyptic number.

45323211523 is a deficient number, since it is larger than the sum of its proper divisors (203243325).

45323211523 is a wasteful number, since it uses less digits than its factorization.

45323211523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203243324.

The product of its digits is 21600, while the sum is 31.

Adding to 45323211523 its reverse (32511232354), we get a palindrome (77834443877).

The spelling of 45323211523 in words is "forty-five billion, three hundred twenty-three million, two hundred eleven thousand, five hundred twenty-three".