45943123 has 4 divisors (see below), whose sum is σ = 46721880. Its totient is φ = 45164368.

The previous prime is 45943099. The next prime is 45943133. The reversal of 45943123 is 32134954.

45943123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45943123 is a prime.

It is a super-2 number, since 2×45943123² = 4221541101986258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45943133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389290 + ... + 389407.

It is an arithmetic number, because the mean of its divisors is an integer number (11680470).

Almost surely, 2^45943123 is an apocalyptic number.

45943123 is a deficient number, since it is larger than the sum of its proper divisors (778757).

45943123 is an equidigital number, since it uses as much as digits as its factorization.

45943123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778756.

The product of its digits is 12960, while the sum is 31.

The square root of 45943123 is about 6778.1356581290. The cubic root of 45943123 is about 358.1570500978.

The spelling of 45943123 in words is "forty-five million, nine hundred forty-three thousand, one hundred twenty-three".