133420340423 has 8 divisors (see below), whose sum is σ = 142970628528. Its totient is φ = 124059167104.

The previous prime is 133420340407. The next prime is 133420340453. The reversal of 133420340423 is 324043024331.

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 133420340423 - 2⁴ = 133420340407 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 (133420340453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47277236 + ... + 47280057.

It is an arithmetic number, because the mean of its divisors is an integer number (17871328566).

Almost surely, 2^133420340423 is an apocalyptic number.

133420340423 is a deficient number, since it is larger than the sum of its proper divisors (9550288105).

133420340423 is an equidigital number, since it uses as much as digits as its factorization.

133420340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94557393.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 133420340423 its reverse (324043024331), we get a palindrome (457463364754).

The spelling of 133420340423 in words is "one hundred thirty-three billion, four hundred twenty million, three hundred forty thousand, four hundred twenty-three".