1453723 has 2 divisors, whose sum is σ = 1453724. Its totient is φ = 1453722.

The previous prime is 1453703. The next prime is 1453729. The reversal of 1453723 is 3273541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1453723 is a prime.

It is a super-2 number, since 2×1453723² = 4226621121458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1453729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726861 + 726862.

It is an arithmetic number, because the mean of its divisors is an integer number (726862).

2^1453723 is an apocalyptic number.

1453723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453723 is an equidigital number, since it uses as much as digits as its factorization.

1453723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 25.

The square root of 1453723 is about 1205.7043584561. The cubic root of 1453723 is about 113.2819076569.

The spelling of 1453723 in words is "one million, four hundred fifty-three thousand, seven hundred twenty-three".