133201453423 has 4 divisors (see below), whose sum is σ = 133758781920. Its totient is φ = 132644124928.

The previous prime is 133201453391. The next prime is 133201453433. The reversal of 133201453423 is 324354102331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324354102331 = 7 ⋅46336300333.

It is a cyclic number.

It is not a de Polignac number, because 133201453423 - 2⁵ = 133201453391 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 (133201453433) 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, 278663890 + ... + 278664367.

It is an arithmetic number, because the mean of its divisors is an integer number (33439695480).

Almost surely, 2^133201453423 is an apocalyptic number.

133201453423 is a deficient number, since it is larger than the sum of its proper divisors (557328497).

133201453423 is an equidigital number, since it uses as much as digits as its factorization.

133201453423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557328496.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 133201453423 its reverse (324354102331), we get a palindrome (457555555754).

The spelling of 133201453423 in words is "one hundred thirty-three billion, two hundred one million, four hundred fifty-three thousand, four hundred twenty-three".