1423566 has 12 divisors (see below), whose sum is σ = 3084432. Its totient is φ = 474516.

The previous prime is 1423553. The next prime is 1423579. The reversal of 1423566 is 6653241.

It is an interprime number because it is at equal distance from previous prime (1423553) and next prime (1423579).

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, 39526 + ... + 39561.

It is an arithmetic number, because the mean of its divisors is an integer number (257036).

2^1423566 is an apocalyptic number.

1423566 is an abundant number, since it is smaller than the sum of its proper divisors (1660866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423566 is a wasteful number, since it uses less digits than its factorization.

1423566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79095 (or 79092 counting only the distinct ones).

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

The square root of 1423566 is about 1193.1328509433. The cubic root of 1423566 is about 112.4930958726.

The spelling of 1423566 in words is "one million, four hundred twenty-three thousand, five hundred sixty-six".