1423775 has 6 divisors (see below), whose sum is σ = 1765512. Its totient is φ = 1139000.

The previous prime is 1423759. The next prime is 1423781. The reversal of 1423775 is 5773241.

It is not a de Polignac number, because 1423775 - 2⁴ = 1423759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28451 + ... + 28500.

It is an arithmetic number, because the mean of its divisors is an integer number (294252).

2^1423775 is an apocalyptic number.

1423775 is a deficient number, since it is larger than the sum of its proper divisors (341737).

1423775 is an equidigital number, since it uses as much as digits as its factorization.

1423775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56961 (or 56956 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 1423775 is about 1193.2204322756. The cubic root of 1423775 is about 112.4986008056.

The spelling of 1423775 in words is "one million, four hundred twenty-three thousand, seven hundred seventy-five".