1423031323 has 4 divisors (see below), whose sum is σ = 1626321520. Its totient is φ = 1219741128.

The previous prime is 1423031299. The next prime is 1423031339. The reversal of 1423031323 is 3231303241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423031323 - 2⁹ = 1423030811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423031294 and 1423031303.

It is not an unprimeable number, because it can be changed into a prime (1423032323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101645088 + ... + 101645101.

It is an arithmetic number, because the mean of its divisors is an integer number (406580380).

Almost surely, 2^1423031323 is an apocalyptic number.

1423031323 is a deficient number, since it is larger than the sum of its proper divisors (203290197).

1423031323 is an equidigital number, since it uses as much as digits as its factorization.

1423031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203290196.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1423031323 is about 37723.0874001585. The cubic root of 1423031323 is about 1124.7901035242.

Adding to 1423031323 its reverse (3231303241), we get a palindrome (4654334564).

The spelling of 1423031323 in words is "one billion, four hundred twenty-three million, thirty-one thousand, three hundred twenty-three".