132423100021 has 8 divisors (see below), whose sum is σ = 135155513304. Its totient is φ = 129699348480.

The previous prime is 132423100003. The next prime is 132423100031. The reversal of 132423100021 is 120001324231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75562312996 + 56860787025 = 274886^2 + 238455^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 132423100021 - 2¹⁷ = 132422968949 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 (132423100031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2134540 + ... + 2195701.

It is an arithmetic number, because the mean of its divisors is an integer number (16894439163).

Almost surely, 2^132423100021 is an apocalyptic number.

It is an amenable number.

132423100021 is a deficient number, since it is larger than the sum of its proper divisors (2732413283).

132423100021 is an equidigital number, since it uses as much as digits as its factorization.

132423100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330871.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 132423100021 its reverse (120001324231), we get a palindrome (252424424252).

The spelling of 132423100021 in words is "one hundred thirty-two billion, four hundred twenty-three million, one hundred thousand, twenty-one".