133213201033123 has 4 divisors (see below), whose sum is σ = 136813557817840. Its totient is φ = 129612844248408.

The previous prime is 133213201033117. The next prime is 133213201033169. The reversal of 133213201033123 is 321330102312331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133213201033123 - 2¹³ = 133213201024931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133213201033091 and 133213201033100.

It is not an unprimeable number, because it can be changed into a prime (133213201133123) 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, 1800178392303 + ... + 1800178392376.

It is an arithmetic number, because the mean of its divisors is an integer number (34203389454460).

Almost surely, 2^{133213201033123} is an apocalyptic number.

133213201033123 is a deficient number, since it is larger than the sum of its proper divisors (3600356784717).

133213201033123 is an equidigital number, since it uses as much as digits as its factorization.

133213201033123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600356784716.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 133213201033123 its reverse (321330102312331), we get a palindrome (454543303345454).

The spelling of 133213201033123 in words is "one hundred thirty-three trillion, two hundred thirteen billion, two hundred one million, thirty-three thousand, one hundred twenty-three".