133023443421541 has 4 divisors (see below), whose sum is σ = 133024188533184. Its totient is φ = 133022698309900.

The previous prime is 133023443421511. The next prime is 133023443421587. The reversal of 133023443421541 is 145124344320331.

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 a cyclic number.

It is not a de Polignac number, because 133023443421541 - 2²⁵ = 133023409867109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133023443421494 and 133023443421503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133023443421511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372287965 + ... + 372645106.

It is an arithmetic number, because the mean of its divisors is an integer number (33256047133296).

Almost surely, 2^{133023443421541} is an apocalyptic number.

It is an amenable number.

133023443421541 is a deficient number, since it is larger than the sum of its proper divisors (745111643).

133023443421541 is an equidigital number, since it uses as much as digits as its factorization.

133023443421541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745111642.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 133023443421541 its reverse (145124344320331), we get a palindrome (278147787741872).

The spelling of 133023443421541 in words is "one hundred thirty-three trillion, twenty-three billion, four hundred forty-three million, four hundred twenty-one thousand, five hundred forty-one".