21332102023 has 16 divisors (see below), whose sum is σ = 21890995200. Its totient is φ = 20779551520.

The previous prime is 21332102003. The next prime is 21332102039. The reversal of 21332102023 is 32020123312.

It is a cyclic number.

It is not a de Polignac number, because 21332102023 - 2²⁹ = 20795231111 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 (21332102003) 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, 4545108 + ... + 4549798.

It is an arithmetic number, because the mean of its divisors is an integer number (1368187200).

Almost surely, 2^21332102023 is an apocalyptic number.

21332102023 is a deficient number, since it is larger than the sum of its proper divisors (558893177).

21332102023 is a wasteful number, since it uses less digits than its factorization.

21332102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21332102023 its reverse (32020123312), we get a palindrome (53352225335).

The spelling of 21332102023 in words is "twenty-one billion, three hundred thirty-two million, one hundred two thousand, twenty-three".