3457723 has 2 divisors, whose sum is σ = 3457724. Its totient is φ = 3457722.

The previous prime is 3457721. The next prime is 3457763. The reversal of 3457723 is 3277543.

It is a weak prime.

It is an emirp because it is prime and its reverse (3277543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3457723 - 2¹ = 3457721 is a prime.

Together with 3457721, it forms a pair of twin primes.

3457723 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3457721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728861 + 1728862.

It is an arithmetic number, because the mean of its divisors is an integer number (1728862).

Almost surely, 2^3457723 is an apocalyptic number.

3457723 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457723 is an equidigital number, since it uses as much as digits as its factorization.

3457723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 31.

The square root of 3457723 is about 1859.4953616506. The cubic root of 3457723 is about 151.2156473220.

The spelling of 3457723 in words is "three million, four hundred fifty-seven thousand, seven hundred twenty-three".