133323020123 has 2 divisors, whose sum is σ = 133323020124. Its totient is φ = 133323020122.

The previous prime is 133323020119. The next prime is 133323020287. The reversal of 133323020123 is 321020323331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133323020123 - 2² = 133323020119 is a prime.

It is not a weakly prime, because it can be changed into another prime (133323020023) 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 as a sum of consecutive naturals, namely, 66661510061 + 66661510062.

It is an arithmetic number, because the mean of its divisors is an integer number (66661510062).

Almost surely, 2^133323020123 is an apocalyptic number.

133323020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

133323020123 is an equidigital number, since it uses as much as digits as its factorization.

133323020123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 133323020123 its reverse (321020323331), we get a palindrome (454343343454).

The spelling of 133323020123 in words is "one hundred thirty-three billion, three hundred twenty-three million, twenty thousand, one hundred twenty-three".