45034123 has 4 divisors (see below), whose sum is σ = 47404360. Its totient is φ = 42663888.

The previous prime is 45034111. The next prime is 45034147. The reversal of 45034123 is 32143054.

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 45034123 - 2⁵ = 45034091 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45034094 and 45034103.

It is not an unprimeable number, because it can be changed into a prime (45034163) 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, 1185090 + ... + 1185127.

It is an arithmetic number, because the mean of its divisors is an integer number (11851090).

Almost surely, 2^45034123 is an apocalyptic number.

45034123 is a deficient number, since it is larger than the sum of its proper divisors (2370237).

45034123 is a wasteful number, since it uses less digits than its factorization.

45034123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370236.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 45034123 is about 6710.7468287814. The cubic root of 45034123 is about 355.7792128230.

Adding to 45034123 its reverse (32143054), we get a palindrome (77177177).

The spelling of 45034123 in words is "forty-five million, thirty-four thousand, one hundred twenty-three".