423023 has 6 divisors (see below), whose sum is σ = 438984. Its totient is φ = 407624.

The previous prime is 423019. The next prime is 423043. The reversal of 423023 is 320324.

It is not a de Polignac number, because 423023 - 2² = 423019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422989 and 423007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 590 + ... + 1092.

It is an arithmetic number, because the mean of its divisors is an integer number (73164).

2⁴²³⁰²³ is an apocalyptic number.

423023 is a deficient number, since it is larger than the sum of its proper divisors (15961).

423023 is an equidigital number, since it uses as much as digits as its factorization.

423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 423023 is about 650.4021832682. The cubic root of 423023 is about 75.0679680157.

Adding to 423023 its reverse (320324), we get a palindrome (743347).

The spelling of 423023 in words is "four hundred twenty-three thousand, twenty-three", and thus it is an iban number.