45319123 has 8 divisors (see below), whose sum is σ = 47895120. Its totient is φ = 42762240.

The previous prime is 45319121. The next prime is 45319129. The reversal of 45319123 is 32191354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45319123 - 2¹ = 45319121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45319091 and 45319100.

It is not an unprimeable number, because it can be changed into a prime (45319121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (5986890).

Almost surely, 2^45319123 is an apocalyptic number.

45319123 is a deficient number, since it is larger than the sum of its proper divisors (2575997).

45319123 is a wasteful number, since it uses less digits than its factorization.

45319123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9557.

The product of its digits is 3240, while the sum is 28.

The square root of 45319123 is about 6731.9479350334. The cubic root of 45319123 is about 356.5281554728.

The spelling of 45319123 in words is "forty-five million, three hundred nineteen thousand, one hundred twenty-three".