45343123 has 4 divisors (see below), whose sum is σ = 51820720. Its totient is φ = 38865528.

The previous prime is 45343117. The next prime is 45343157. The reversal of 45343123 is 32134354.

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

It is a cyclic number.

It is not a de Polignac number, because 45343123 - 2⁹ = 45342611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45343183) 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, 3238788 + ... + 3238801.

It is an arithmetic number, because the mean of its divisors is an integer number (12955180).

Almost surely, 2^45343123 is an apocalyptic number.

45343123 is a deficient number, since it is larger than the sum of its proper divisors (6477597).

45343123 is an equidigital number, since it uses as much as digits as its factorization.

45343123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477596.

The product of its digits is 4320, while the sum is 25.

The square root of 45343123 is about 6733.7302440772. The cubic root of 45343123 is about 356.5910808277.

Adding to 45343123 its reverse (32134354), we get a palindrome (77477477).

The spelling of 45343123 in words is "forty-five million, three hundred forty-three thousand, one hundred twenty-three".