21433003323 has 8 divisors (see below), whose sum is σ = 28735224336. Its totient is φ = 14209725600.

The previous prime is 21433003321. The next prime is 21433003331. The reversal of 21433003323 is 32330033412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21433003323 - 2¹ = 21433003321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21433003293 and 21433003302.

It is not an unprimeable number, because it can be changed into a prime (21433003321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19735188 + ... + 19736273.

It is an arithmetic number, because the mean of its divisors is an integer number (3591903042).

Almost surely, 2^21433003323 is an apocalyptic number.

21433003323 is a deficient number, since it is larger than the sum of its proper divisors (7302221013).

21433003323 is a wasteful number, since it uses less digits than its factorization.

21433003323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39471645.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 21433003323 its reverse (32330033412), we get a palindrome (53763036735).

The spelling of 21433003323 in words is "twenty-one billion, four hundred thirty-three million, three thousand, three hundred twenty-three".