45323031243 has 48 divisors (see below), whose sum is σ = 73211009280. Its totient is φ = 24427697472.

The previous prime is 45323031241. The next prime is 45323031283. The reversal of 45323031243 is 34213032354.

It is not a de Polignac number, because 45323031243 - 2¹ = 45323031241 is a prime.

It is a super-2 number, since 2×45323031243² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45323031243.

It is not an unprimeable number, because it can be changed into a prime (45323031241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1722996 + ... + 1749102.

It is an arithmetic number, because the mean of its divisors is an integer number (1525229360).

Almost surely, 2^45323031243 is an apocalyptic number.

45323031243 is a deficient number, since it is larger than the sum of its proper divisors (27887978037).

45323031243 is a wasteful number, since it uses less digits than its factorization.

45323031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26384 (or 26365 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 45323031243 its reverse (34213032354), we get a palindrome (79536063597).

The spelling of 45323031243 in words is "forty-five billion, three hundred twenty-three million, thirty-one thousand, two hundred forty-three".