32123222231 has 4 divisors (see below), whose sum is σ = 32195735592. Its totient is φ = 32050708872.

The previous prime is 32123222207. The next prime is 32123222237. The reversal of 32123222231 is 13222232123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13222232123 = 157 ⋅84218039.

It is a cyclic number.

It is not a de Polignac number, because 32123222231 - 2⁶ = 32123222167 is a prime.

It is a super-2 number, since 2×32123222231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32123222197 and 32123222206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123222237) 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, 36256016 + ... + 36256901.

It is an arithmetic number, because the mean of its divisors is an integer number (8048933898).

Almost surely, 2^32123222231 is an apocalyptic number.

32123222231 is a deficient number, since it is larger than the sum of its proper divisors (72513361).

32123222231 is an equidigital number, since it uses as much as digits as its factorization.

32123222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72513360.

The product of its digits is 1728, while the sum is 23.

Adding to 32123222231 its reverse (13222232123), we get a palindrome (45345454354).

The spelling of 32123222231 in words is "thirty-two billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty-one".