1456623 has 30 divisors (see below), whose sum is σ = 2538096. Its totient is φ = 830088.

The previous prime is 1456603. The next prime is 1456627. The reversal of 1456623 is 3266541.

It is not a de Polignac number, because 1456623 - 2¹⁰ = 1455599 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456627) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3786 + ... + 4152.

2^1456623 is an apocalyptic number.

1456623 is a deficient number, since it is larger than the sum of its proper divisors (1081473).

1456623 is an equidigital number, since it uses as much as digits as its factorization.

1456623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 377 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 1456623 is about 1206.9063758221. The cubic root of 1456623 is about 113.3571854834.

The spelling of 1456623 in words is "one million, four hundred fifty-six thousand, six hundred twenty-three".