133333203231223 has 4 divisors (see below), whose sum is σ = 136585232578368. Its totient is φ = 130081173884080.

The previous prime is 133333203231187. The next prime is 133333203231233. The reversal of 133333203231223 is 322132302333331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133333203231223 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 (133333203231233) 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, 1626014673511 + ... + 1626014673592.

It is an arithmetic number, because the mean of its divisors is an integer number (34146308144592).

Almost surely, 2^{133333203231223} is an apocalyptic number.

133333203231223 is a deficient number, since it is larger than the sum of its proper divisors (3252029347145).

133333203231223 is an equidigital number, since it uses as much as digits as its factorization.

133333203231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252029347144.

The product of its (nonzero) digits is 104976, while the sum is 34.

Adding to 133333203231223 its reverse (322132302333331), we get a palindrome (455465505564554).

The spelling of 133333203231223 in words is "one hundred thirty-three trillion, three hundred thirty-three billion, two hundred three million, two hundred thirty-one thousand, two hundred twenty-three".