45047723 has 8 divisors (see below), whose sum is σ = 51690240. Its totient is φ = 38457000.

The previous prime is 45047719. The next prime is 45047741. The reversal of 45047723 is 32774054.

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 45047723 - 2² = 45047719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45047723.

It is not an unprimeable number, because it can be changed into a prime (45047753) 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, 11063 + ... + 14576.

It is an arithmetic number, because the mean of its divisors is an integer number (6461280).

Almost surely, 2^45047723 is an apocalyptic number.

45047723 is a deficient number, since it is larger than the sum of its proper divisors (6642517).

45047723 is a wasteful number, since it uses less digits than its factorization.

45047723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25897.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 45047723 is about 6711.7600523261. The cubic root of 45047723 is about 355.8150235222.

The spelling of 45047723 in words is "forty-five million, forty-seven thousand, seven hundred twenty-three".