1421013323 has 4 divisors (see below), whose sum is σ = 1504602360. Its totient is φ = 1337424288.

The previous prime is 1421013283. The next prime is 1421013331. The reversal of 1421013323 is 3233101241.

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 1421013323 - 2⁸ = 1421013067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421013295 and 1421013304.

It is not an unprimeable number, because it can be changed into a prime (1421013343) 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, 41794493 + ... + 41794526.

It is an arithmetic number, because the mean of its divisors is an integer number (376150590).

Almost surely, 2^1421013323 is an apocalyptic number.

1421013323 is a deficient number, since it is larger than the sum of its proper divisors (83589037).

1421013323 is an equidigital number, since it uses as much as digits as its factorization.

1421013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83589036.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1421013323 is about 37696.3303651695. The cubic root of 1421013323 is about 1124.2581639047.

Adding to 1421013323 its reverse (3233101241), we get a palindrome (4654114564).

The spelling of 1421013323 in words is "one billion, four hundred twenty-one million, thirteen thousand, three hundred twenty-three".