132123431 has 8 divisors (see below), whose sum is σ = 150401664. Its totient is φ = 114889720.

The previous prime is 132123427. The next prime is 132123451. The reversal of 132123431 is 134321231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 132123431 - 2² = 132123427 is a prime.

It is a super-2 number, since 2×132123431² = 34913202038423522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132123401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260861 + ... + 261366.

It is an arithmetic number, because the mean of its divisors is an integer number (18800208).

Almost surely, 2^132123431 is an apocalyptic number.

132123431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

132123431 is a deficient number, since it is larger than the sum of its proper divisors (18278233).

132123431 is a wasteful number, since it uses less digits than its factorization.

132123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522261.

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

The square root of 132123431 is about 11494.4956827170. The cubic root of 132123431 is about 509.3229912197.

Adding to 132123431 its reverse (134321231), we get a palindrome (266444662).

The spelling of 132123431 in words is "one hundred thirty-two million, one hundred twenty-three thousand, four hundred thirty-one".