32123113021 has 4 divisors (see below), whose sum is σ = 33813803200. Its totient is φ = 30432422844.

The previous prime is 32123113007. The next prime is 32123113049. The reversal of 32123113021 is 12031132123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32123113021 - 2⁷ = 32123112893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1690690159 = 32123113021 / (3 + 2 + 1 + 2 + 3 + 1 + 1 + 3 + 0 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32123113021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123113091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845345061 + ... + 845345098.

It is an arithmetic number, because the mean of its divisors is an integer number (8453450800).

Almost surely, 2^32123113021 is an apocalyptic number.

It is an amenable number.

32123113021 is a deficient number, since it is larger than the sum of its proper divisors (1690690179).

32123113021 is a wasteful number, since it uses less digits than its factorization.

32123113021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690690178.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 32123113021 its reverse (12031132123), we get a palindrome (44154245144).

The spelling of 32123113021 in words is "thirty-two billion, one hundred twenty-three million, one hundred thirteen thousand, twenty-one".