133623633503 has 8 divisors (see below), whose sum is σ = 134814921648. Its totient is φ = 132432499584.

The previous prime is 133623633487. The next prime is 133623633527. The reversal of 133623633503 is 305336326331.

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 133623633503 - 2⁴ = 133623633487 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 (133623633103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2366225 + ... + 2422037.

It is an arithmetic number, because the mean of its divisors is an integer number (16851865206).

Almost surely, 2^133623633503 is an apocalyptic number.

133623633503 is a deficient number, since it is larger than the sum of its proper divisors (1191288145).

133623633503 is a wasteful number, since it uses less digits than its factorization.

133623633503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77113.

The product of its (nonzero) digits is 262440, while the sum is 38.

Adding to 133623633503 its reverse (305336326331), we get a palindrome (438959959834).

The spelling of 133623633503 in words is "one hundred thirty-three billion, six hundred twenty-three million, six hundred thirty-three thousand, five hundred three".