21023233301 has 16 divisors (see below), whose sum is σ = 24093888384. Its totient is φ = 17969485824.

The previous prime is 21023233249. The next prime is 21023233303. The reversal of 21023233301 is 10333232012.

It is a cyclic number.

It is not a de Polignac number, because 21023233301 - 2¹⁴ = 21023216917 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 (21023233303) 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, 4816346 + ... + 4820708.

It is an arithmetic number, because the mean of its divisors is an integer number (1505868024).

Almost surely, 2^21023233301 is an apocalyptic number.

It is an amenable number.

21023233301 is a deficient number, since it is larger than the sum of its proper divisors (3070655083).

21023233301 is a wasteful number, since it uses less digits than its factorization.

21023233301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21023233301 its reverse (10333232012), we get a palindrome (31356465313).

The spelling of 21023233301 in words is "twenty-one billion, twenty-three million, two hundred thirty-three thousand, three hundred one".