132421021023 has 4 divisors (see below), whose sum is σ = 176561361368. Its totient is φ = 88280680680.

The previous prime is 132421020989. The next prime is 132421021091. The reversal of 132421021023 is 320120124231.

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

It is not a de Polignac number, because 132421021023 - 2²⁵ = 132387466591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132421021223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22070170168 + ... + 22070170173.

It is an arithmetic number, because the mean of its divisors is an integer number (44140340342).

Almost surely, 2^132421021023 is an apocalyptic number.

132421021023 is a deficient number, since it is larger than the sum of its proper divisors (44140340345).

132421021023 is an equidigital number, since it uses as much as digits as its factorization.

132421021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44140340344.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 132421021023 its reverse (320120124231), we get a palindrome (452541145254).

The spelling of 132421021023 in words is "one hundred thirty-two billion, four hundred twenty-one million, twenty-one thousand, twenty-three".