133354990123 has 2 divisors, whose sum is σ = 133354990124. Its totient is φ = 133354990122.

The previous prime is 133354990049. The next prime is 133354990147. The reversal of 133354990123 is 321099453331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133354990123 - 2¹³ = 133354981931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133354990123.

It is not a weakly prime, because it can be changed into another prime (133354990183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66677495061 + 66677495062.

It is an arithmetic number, because the mean of its divisors is an integer number (66677495062).

Almost surely, 2^133354990123 is an apocalyptic number.

133354990123 is a deficient number, since it is larger than the sum of its proper divisors (1).

133354990123 is an equidigital number, since it uses as much as digits as its factorization.

133354990123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 43.

The spelling of 133354990123 in words is "one hundred thirty-three billion, three hundred fifty-four million, nine hundred ninety thousand, one hundred twenty-three".