32121031223 has 4 divisors (see below), whose sum is σ = 32989167240. Its totient is φ = 31252895208.

The previous prime is 32121031213. The next prime is 32121031237. The reversal of 32121031223 is 32213012123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32121031223 - 2²² = 32116836919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32121031195 and 32121031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121031213) 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 3 ways as a sum of consecutive naturals, for example, 434067953 + ... + 434068026.

It is an arithmetic number, because the mean of its divisors is an integer number (8247291810).

Almost surely, 2^32121031223 is an apocalyptic number.

32121031223 is a deficient number, since it is larger than the sum of its proper divisors (868136017).

32121031223 is an equidigital number, since it uses as much as digits as its factorization.

32121031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868136016.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32121031223 its reverse (32213012123), we get a palindrome (64334043346).

The spelling of 32121031223 in words is "thirty-two billion, one hundred twenty-one million, thirty-one thousand, two hundred twenty-three".