45319823 has 8 divisors (see below), whose sum is σ = 46545408. Its totient is φ = 44108064.

The previous prime is 45319819. The next prime is 45319849. The reversal of 45319823 is 32891354.

It is a Cunningham number, because it is equal to 6732²-1.

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 45319823 - 2² = 45319819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45319723) 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, 3365 + ... + 10097.

It is an arithmetic number, because the mean of its divisors is an integer number (5818176).

Almost surely, 2^45319823 is an apocalyptic number.

45319823 is a deficient number, since it is larger than the sum of its proper divisors (1225585).

45319823 is a wasteful number, since it uses less digits than its factorization.

45319823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913.

The product of its digits is 25920, while the sum is 35.

The square root of 45319823 is about 6731.9999257279. Note that the first 4 decimals coincide. The cubic root of 45319823 is about 356.5299911101.

The spelling of 45319823 in words is "forty-five million, three hundred nineteen thousand, eight hundred twenty-three".