13232230021 has 8 divisors (see below), whose sum is σ = 13943484000. Its totient is φ = 12522458160.

The previous prime is 13232230019. The next prime is 13232230031. The reversal of 13232230021 is 12003223231.

13232230021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13232230021 - 2¹ = 13232230019 is a prime.

It is a super-2 number, since 2×13232230021² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232230031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352171 + ... + 387928.

It is an arithmetic number, because the mean of its divisors is an integer number (1742935500).

Almost surely, 2^13232230021 is an apocalyptic number.

It is an amenable number.

13232230021 is a deficient number, since it is larger than the sum of its proper divisors (711253979).

13232230021 is an equidigital number, since it uses as much as digits as its factorization.

13232230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741059.

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

Adding to 13232230021 its reverse (12003223231), we get a palindrome (25235453252).

It can be divided in two parts, 13232 and 230021, that added together give a triangular number (243253 = T₆₉₇).

The spelling of 13232230021 in words is "thirteen billion, two hundred thirty-two million, two hundred thirty thousand, twenty-one".