1457723 has 4 divisors (see below), whose sum is σ = 1460280. Its totient is φ = 1455168.

The previous prime is 1457683. The next prime is 1457741. The reversal of 1457723 is 3277541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1457723 - 2¹⁴ = 1441339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 1707.

It is an arithmetic number, because the mean of its divisors is an integer number (365070).

2^1457723 is an apocalyptic number.

1457723 is a deficient number, since it is larger than the sum of its proper divisors (2557).

1457723 is an equidigital number, since it uses as much as digits as its factorization.

1457723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

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

The square root of 1457723 is about 1207.3620003959. The cubic root of 1457723 is about 113.3857130042.

The spelling of 1457723 in words is "one million, four hundred fifty-seven thousand, seven hundred twenty-three".