32121023 has 8 divisors (see below), whose sum is σ = 35332176. Its totient is φ = 29199720.

The previous prime is 32120993. The next prime is 32121029. The reversal of 32121023 is 32012123.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-32121023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32120989 and 32121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121029) 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, 10736 + ... + 13397.

It is an arithmetic number, because the mean of its divisors is an integer number (4416522).

Almost surely, 2^32121023 is an apocalyptic number.

32121023 is a deficient number, since it is larger than the sum of its proper divisors (3211153).

32121023 is an equidigital number, since it uses as much as digits as its factorization.

32121023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24166 (or 24144 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 32121023 is about 5667.5411776184. The cubic root of 32121023 is about 317.8799403058.

Adding to 32121023 its reverse (32012123), we get a palindrome (64133146).

Subtracting from 32121023 its reverse (32012123), we obtain a square (108900 = 330²).

The spelling of 32121023 in words is "thirty-two million, one hundred twenty-one thousand, twenty-three".