1421425323 has 12 divisors (see below), whose sum is σ = 2142438480. Its totient is φ = 906416016.

The previous prime is 1421425307. The next prime is 1421425331. The reversal of 1421425323 is 3235241241.

It is not a de Polignac number, because 1421425323 - 2⁴ = 1421425307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421425373) 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 in 11 ways as a sum of consecutive naturals, for example, 3433188 + ... + 3433601.

It is an arithmetic number, because the mean of its divisors is an integer number (178536540).

Almost surely, 2^1421425323 is an apocalyptic number.

1421425323 is a deficient number, since it is larger than the sum of its proper divisors (721013157).

1421425323 is a wasteful number, since it uses less digits than its factorization.

1421425323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866818 (or 6866815 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1421425323 is about 37701.7946920302. The cubic root of 1421425323 is about 1124.3668069408.

Adding to 1421425323 its reverse (3235241241), we get a palindrome (4656666564).

The spelling of 1421425323 in words is "one billion, four hundred twenty-one million, four hundred twenty-five thousand, three hundred twenty-three".