457719623 has 6 divisors (see below), whose sum is σ = 462496536. Its totient is φ = 452991552.

The previous prime is 457719553. The next prime is 457719629. The reversal of 457719623 is 326917754.

It is a de Polignac number, because none of the positive numbers 2^k-457719623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457719629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14915 + ... + 33732.

It is an arithmetic number, because the mean of its divisors is an integer number (77082756).

Almost surely, 2^457719623 is an apocalyptic number.

457719623 is a deficient number, since it is larger than the sum of its proper divisors (4776913).

457719623 is an frugal number, since it uses more digits than its factorization.

457719623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48841 (or 48744 counting only the distinct ones).

The product of its digits is 317520, while the sum is 44.

The square root of 457719623 is about 21394.3829777818. The cubic root of 457719623 is about 770.6665521953. Note that the first 3 decimals are identical.

The spelling of 457719623 in words is "four hundred fifty-seven million, seven hundred nineteen thousand, six hundred twenty-three".