1423338823 has 2 divisors, whose sum is σ = 1423338824. Its totient is φ = 1423338822.

The previous prime is 1423338809. The next prime is 1423338841. The reversal of 1423338823 is 3288333241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423338823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423338853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711669411 + 711669412.

It is an arithmetic number, because the mean of its divisors is an integer number (711669412).

Almost surely, 2^1423338823 is an apocalyptic number.

1423338823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423338823 is an equidigital number, since it uses as much as digits as its factorization.

1423338823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 1423338823 is about 37727.1629333561. The cubic root of 1423338823 is about 1124.8711155725.

The spelling of 1423338823 in words is "one billion, four hundred twenty-three million, three hundred thirty-eight thousand, eight hundred twenty-three".