13333023021 has 16 divisors (see below), whose sum is σ = 17849030400. Its totient is φ = 8852913408.

The previous prime is 13333022999. The next prime is 13333023049. The reversal of 13333023021 is 12032033331.

It is not a de Polignac number, because 13333023021 - 2¹¹ = 13333020973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333023421) 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, 883225 + ... + 898193.

It is an arithmetic number, because the mean of its divisors is an integer number (1115564400).

Almost surely, 2^13333023021 is an apocalyptic number.

It is an amenable number.

13333023021 is a deficient number, since it is larger than the sum of its proper divisors (4516007379).

13333023021 is a wasteful number, since it uses less digits than its factorization.

13333023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16148.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 13333023021 its reverse (12032033331), we get a palindrome (25365056352).

The spelling of 13333023021 in words is "thirteen billion, three hundred thirty-three million, twenty-three thousand, twenty-one".