132423140021 has 4 divisors (see below), whose sum is σ = 138180667872. Its totient is φ = 126665612172.

The previous prime is 132423139991. The next prime is 132423140029. The reversal of 132423140021 is 120041324231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120041324231 = 60509 ⋅1983859.

It is a cyclic number.

It is not a de Polignac number, because 132423140021 - 2⁶ = 132423139957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5757527827 = 132423140021 / (1 + 3 + 2 + 4 + 2 + 3 + 1 + 4 + 0 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132423140029) 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, 2878763891 + ... + 2878763936.

It is an arithmetic number, because the mean of its divisors is an integer number (34545166968).

Almost surely, 2^132423140021 is an apocalyptic number.

It is an amenable number.

132423140021 is a deficient number, since it is larger than the sum of its proper divisors (5757527851).

132423140021 is an equidigital number, since it uses as much as digits as its factorization.

132423140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757527850.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 132423140021 its reverse (120041324231), we get a palindrome (252464464252).

The spelling of 132423140021 in words is "one hundred thirty-two billion, four hundred twenty-three million, one hundred forty thousand, twenty-one".