133113542323 has 2 divisors, whose sum is σ = 133113542324. Its totient is φ = 133113542322.

The previous prime is 133113542203. The next prime is 133113542329. The reversal of 133113542323 is 323245311331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133113542323 is a prime.

It is a super-2 number, since 2×133113542323² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (133113542329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66556771161 + 66556771162.

It is an arithmetic number, because the mean of its divisors is an integer number (66556771162).

Almost surely, 2^133113542323 is an apocalyptic number.

133113542323 is a deficient number, since it is larger than the sum of its proper divisors (1).

133113542323 is an equidigital number, since it uses as much as digits as its factorization.

133113542323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 31.

Adding to 133113542323 its reverse (323245311331), we get a palindrome (456358853654).

The spelling of 133113542323 in words is "one hundred thirty-three billion, one hundred thirteen million, five hundred forty-two thousand, three hundred twenty-three".