2323320421403 has 4 divisors (see below), whose sum is σ = 2361407641488. Its totient is φ = 2285233201320.

The previous prime is 2323320421399. The next prime is 2323320421421. The reversal of 2323320421403 is 3041240233232.

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 2323320421403 - 2² = 2323320421399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2323320411403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19043609951 + ... + 19043610072.

It is an arithmetic number, because the mean of its divisors is an integer number (590351910372).

Almost surely, 2^{2323320421403} is an apocalyptic number.

2323320421403 is a deficient number, since it is larger than the sum of its proper divisors (38087220085).

2323320421403 is an equidigital number, since it uses as much as digits as its factorization.

2323320421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38087220084.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 2323320421403 its reverse (3041240233232), we get a palindrome (5364560654635).

The spelling of 2323320421403 in words is "two trillion, three hundred twenty-three billion, three hundred twenty million, four hundred twenty-one thousand, four hundred three".