132321243 has 4 divisors (see below), whose sum is σ = 176428328. Its totient is φ = 88214160.

The previous prime is 132321193. The next prime is 132321253. The reversal of 132321243 is 342123231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342123231 = 3 ⋅114041077.

It is not a de Polignac number, because 132321243 - 2⁶ = 132321179 is a prime.

It is a super-2 number, since 2×132321243² = 35017822698130098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132321253) 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, 22053538 + ... + 22053543.

It is an arithmetic number, because the mean of its divisors is an integer number (44107082).

Almost surely, 2^132321243 is an apocalyptic number.

132321243 is a deficient number, since it is larger than the sum of its proper divisors (44107085).

132321243 is an equidigital number, since it uses as much as digits as its factorization.

132321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44107084.

The product of its digits is 864, while the sum is 21.

The square root of 132321243 is about 11503.0971046932. The cubic root of 132321243 is about 509.5770464878.

Adding to 132321243 its reverse (342123231), we get a palindrome (474444474).

The spelling of 132321243 in words is "one hundred thirty-two million, three hundred twenty-one thousand, two hundred forty-three".