45170723 has 8 divisors (see below), whose sum is σ = 48946128. Its totient is φ = 41438304.

The previous prime is 45170707. The next prime is 45170729. The reversal of 45170723 is 32707154.

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 45170723 - 2⁴ = 45170707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45170729) 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, 8540 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (6118266).

Almost surely, 2^45170723 is an apocalyptic number.

45170723 is a deficient number, since it is larger than the sum of its proper divisors (3775405).

45170723 is a wasteful number, since it uses less digits than its factorization.

45170723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21493.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 45170723 is about 6720.9168273384. The cubic root of 45170723 is about 356.1385728053.

Adding to 45170723 its reverse (32707154), we get a palindrome (77877877).

The spelling of 45170723 in words is "forty-five million, one hundred seventy thousand, seven hundred twenty-three".