1423797 has 16 divisors (see below), whose sum is σ = 1984512. Its totient is φ = 907200.

The previous prime is 1423789. The next prime is 1423819. The reversal of 1423797 is 7973241.

1423797 = T₁₅₈ + T₁₅₉ + ... + T₂₃₁.

It is not a de Polignac number, because 1423797 - 2³ = 1423789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11148 + ... + 11274.

It is an arithmetic number, because the mean of its divisors is an integer number (124032).

2^1423797 is an apocalyptic number.

It is an amenable number.

1423797 is a deficient number, since it is larger than the sum of its proper divisors (560715).

1423797 is a wasteful number, since it uses less digits than its factorization.

1423797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268.

The product of its digits is 10584, while the sum is 33.

The square root of 1423797 is about 1193.2296509893. The cubic root of 1423797 is about 112.4991802409.

The spelling of 1423797 in words is "one million, four hundred twenty-three thousand, seven hundred ninety-seven".