21033423301 has 8 divisors (see below), whose sum is σ = 24153213600. Its totient is φ = 18114909840.

The previous prime is 21033423289. The next prime is 21033423317. The reversal of 21033423301 is 10332433012.

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

It is a cyclic number.

It is not a de Polignac number, because 21033423301 - 2²⁷ = 20899205573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033423331) 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, 50318986 + ... + 50319403.

It is an arithmetic number, because the mean of its divisors is an integer number (3019151700).

Almost surely, 2^21033423301 is an apocalyptic number.

It is an amenable number.

21033423301 is a deficient number, since it is larger than the sum of its proper divisors (3119790299).

21033423301 is a wasteful number, since it uses less digits than its factorization.

21033423301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100638419.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21033423301 its reverse (10332433012), we get a palindrome (31365856313).

The spelling of 21033423301 in words is "twenty-one billion, thirty-three million, four hundred twenty-three thousand, three hundred one".