1457813723 has 8 divisors (see below), whose sum is σ = 1479267696. Its totient is φ = 1436400000.

The previous prime is 1457813659. The next prime is 1457813729. The reversal of 1457813723 is 3273187541.

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 1457813723 - 2⁶ = 1457813659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457813729) 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, 67223 + ... + 86223.

It is an arithmetic number, because the mean of its divisors is an integer number (184908462).

Almost surely, 2^1457813723 is an apocalyptic number.

1457813723 is a deficient number, since it is larger than the sum of its proper divisors (21453973).

1457813723 is a wasteful number, since it uses less digits than its factorization.

1457813723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20125.

The product of its digits is 141120, while the sum is 41.

The square root of 1457813723 is about 38181.3268889388. The cubic root of 1457813723 is about 1133.8806518377.

The spelling of 1457813723 in words is "one billion, four hundred fifty-seven million, eight hundred thirteen thousand, seven hundred twenty-three".