1421733323 has 16 divisors (see below), whose sum is σ = 1495065600. Its totient is φ = 1350118560.

The previous prime is 1421733319. The next prime is 1421733329. The reversal of 1421733323 is 3233371241.

It is a cyclic number.

It is not a de Polignac number, because 1421733323 - 2² = 1421733319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421733329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1694138 + ... + 1694976.

It is an arithmetic number, because the mean of its divisors is an integer number (93441600).

Almost surely, 2^1421733323 is an apocalyptic number.

1421733323 is a deficient number, since it is larger than the sum of its proper divisors (73332277).

1421733323 is an equidigital number, since it uses as much as digits as its factorization.

1421733323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762.

The product of its digits is 9072, while the sum is 29.

The square root of 1421733323 is about 37705.8791569697. The cubic root of 1421733323 is about 1124.4480118087.

The spelling of 1421733323 in words is "one billion, four hundred twenty-one million, seven hundred thirty-three thousand, three hundred twenty-three".