423616 has 14 divisors (see below), whose sum is σ = 840740. Its totient is φ = 211776.

The previous prime is 423601. The next prime is 423617. The reversal of 423616 is 616324.

It is not an unprimeable number, because it can be changed into a prime (423617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246 + ... + 3373.

2⁴²³⁶¹⁶ is an apocalyptic number.

It is an amenable number.

423616 is a deficient number, since it is larger than the sum of its proper divisors (417124).

423616 is an equidigital number, since it uses as much as digits as its factorization.

423616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6631 (or 6621 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 423616 is about 650.8578953965. The cubic root of 423616 is about 75.1030287732.

It can be divided in two parts, 4236 and 16, that multiplied together give a palindrome (67776).

The spelling of 423616 in words is "four hundred twenty-three thousand, six hundred sixteen".