1423323452 has 12 divisors (see below), whose sum is σ = 2491387416. Its totient is φ = 711498480.

The previous prime is 1423323449. The next prime is 1423323529. The reversal of 1423323452 is 2543233241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20018 + ... + 56985.

It is an arithmetic number, because the mean of its divisors is an integer number (207615618).

Almost surely, 2^1423323452 is an apocalyptic number.

It is an amenable number.

1423323452 is a deficient number, since it is larger than the sum of its proper divisors (1068063964).

1423323452 is a wasteful number, since it uses less digits than its factorization.

1423323452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81628 (or 81626 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 1423323452 is about 37726.9592201651. The cubic root of 1423323452 is about 1124.8670663010.

Adding to 1423323452 its reverse (2543233241), we get a palindrome (3966556693).

The spelling of 1423323452 in words is "one billion, four hundred twenty-three million, three hundred twenty-three thousand, four hundred fifty-two".