457623 has 16 divisors (see below), whose sum is σ = 718560. Its totient is φ = 286848.

The previous prime is 457621. The next prime is 457643. The reversal of 457623 is 326754.

It is a happy number.

It is not a de Polignac number, because 457623 - 2¹ = 457621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4² + 5 + 6⁷ + 7 + 2⁹ + 3¹¹ .

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (44910).

2⁴⁵⁷⁶²³ is an apocalyptic number.

457623 is a deficient number, since it is larger than the sum of its proper divisors (260937).

457623 is a wasteful number, since it uses less digits than its factorization.

457623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1017 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 457623 is about 676.4783810293. The cubic root of 457623 is about 77.0612320048.

The spelling of 457623 in words is "four hundred fifty-seven thousand, six hundred twenty-three".