2945723 has 8 divisors (see below), whose sum is σ = 3228336. Its totient is φ = 2665600.

The previous prime is 2945711. The next prime is 2945731. The reversal of 2945723 is 3275492.

It is a happy number.

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 2945723 - 2⁴ = 2945707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2945723.

It is not an unprimeable number, because it can be changed into a prime (2945773) 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, 2615 + ... + 3567.

It is an arithmetic number, because the mean of its divisors is an integer number (403542).

2^2945723 is an apocalyptic number.

2945723 is a deficient number, since it is larger than the sum of its proper divisors (282613).

2945723 is a wasteful number, since it uses less digits than its factorization.

2945723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245.

The product of its digits is 15120, while the sum is 32.

The square root of 2945723 is about 1716.3108692775. The cubic root of 2945723 is about 143.3498694941.

The spelling of 2945723 in words is "two million, nine hundred forty-five thousand, seven hundred twenty-three".