133321020232123 has 4 divisors (see below), whose sum is σ = 133321144756720. Its totient is φ = 133320895707528.

The previous prime is 133321020232111. The next prime is 133321020232171. The reversal of 133321020232123 is 321232020123331.

It is a happy number.

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-133321020232123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133321020232091 and 133321020232100.

It is not an unprimeable number, because it can be changed into a prime (133321020232193) 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, 60642288 + ... + 62802301.

It is an arithmetic number, because the mean of its divisors is an integer number (33330286189180).

Almost surely, 2^{133321020232123} is an apocalyptic number.

133321020232123 is a deficient number, since it is larger than the sum of its proper divisors (124524597).

133321020232123 is a wasteful number, since it uses less digits than its factorization.

133321020232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124524596.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 133321020232123 its reverse (321232020123331), we get a palindrome (454553040355454).

The spelling of 133321020232123 in words is "one hundred thirty-three trillion, three hundred twenty-one billion, twenty million, two hundred thirty-two thousand, one hundred twenty-three".