132323021 has 4 divisors (see below), whose sum is σ = 132400512. Its totient is φ = 132245532.

The previous prime is 132323003. The next prime is 132323039. The reversal of 132323021 is 120323231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (132323003) and next prime (132323039).

It is a cyclic number.

It is not a de Polignac number, because 132323021 - 2²⁶ = 65214157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132323041) 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, 36125 + ... + 39618.

It is an arithmetic number, because the mean of its divisors is an integer number (33100128).

Almost surely, 2^132323021 is an apocalyptic number.

It is an amenable number.

132323021 is a deficient number, since it is larger than the sum of its proper divisors (77491).

132323021 is an equidigital number, since it uses as much as digits as its factorization.

132323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77490.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 132323021 is about 11503.1743879679. The cubic root of 132323021 is about 509.5793288725.

Adding to 132323021 its reverse (120323231), we get a palindrome (252646252).

The spelling of 132323021 in words is "one hundred thirty-two million, three hundred twenty-three thousand, twenty-one".