1423023 has 8 divisors (see below), whose sum is σ = 2168448. Its totient is φ = 813144.

The previous prime is 1423003. The next prime is 1423039. The reversal of 1423023 is 3203241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1423023 - 2⁵ = 1422991 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1422993 and 1423011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33861 + ... + 33902.

It is an arithmetic number, because the mean of its divisors is an integer number (271056).

2^1423023 is an apocalyptic number.

1423023 is a deficient number, since it is larger than the sum of its proper divisors (745425).

1423023 is an equidigital number, since it uses as much as digits as its factorization.

1423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67773.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1423023 is about 1192.9052770442. The cubic root of 1423023 is about 112.4787910636.

Adding to 1423023 its reverse (3203241), we get a palindrome (4626264).

The spelling of 1423023 in words is "one million, four hundred twenty-three thousand, twenty-three".