21332012023 has 8 divisors (see below), whose sum is σ = 24429098880. Its totient is φ = 18247339320.

The previous prime is 21332012021. The next prime is 21332012069. The reversal of 21332012023 is 32021023312.

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

It is not a de Polignac number, because 21332012023 - 2¹ = 21332012021 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 (21332012021) 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, 3099853 + ... + 3106726.

It is an arithmetic number, because the mean of its divisors is an integer number (3053637360).

Almost surely, 2^21332012023 is an apocalyptic number.

21332012023 is a deficient number, since it is larger than the sum of its proper divisors (3097086857).

21332012023 is an equidigital number, since it uses as much as digits as its factorization.

21332012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207077.

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

Adding to 21332012023 its reverse (32021023312), we get a palindrome (53353035335).

The spelling of 21332012023 in words is "twenty-one billion, three hundred thirty-two million, twelve thousand, twenty-three".