32121312023 has 4 divisors (see below), whose sum is σ = 32727374568. Its totient is φ = 31515249480.

The previous prime is 32121312019. The next prime is 32121312043. The reversal of 32121312023 is 32021312123.

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 32121312023 - 2² = 32121312019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32121311986 and 32121312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121312043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303031193 + ... + 303031298.

It is an arithmetic number, because the mean of its divisors is an integer number (8181843642).

Almost surely, 2^32121312023 is an apocalyptic number.

32121312023 is a deficient number, since it is larger than the sum of its proper divisors (606062545).

32121312023 is an equidigital number, since it uses as much as digits as its factorization.

32121312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606062544.

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

Adding to 32121312023 its reverse (32021312123), we get a palindrome (64142624146).

The spelling of 32121312023 in words is "thirty-two billion, one hundred twenty-one million, three hundred twelve thousand, twenty-three".