133511641323 has 16 divisors (see below), whose sum is σ = 178761378816. Its totient is φ = 88635460320.

The previous prime is 133511641297. The next prime is 133511641327. The reversal of 133511641323 is 323146115331.

It is not a de Polignac number, because 133511641323 - 2⁹ = 133511640811 is a prime.

It is a super-2 number, since 2×133511641323² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133511641327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779061 + ... + 934857.

It is an arithmetic number, because the mean of its divisors is an integer number (11172586176).

Almost surely, 2^133511641323 is an apocalyptic number.

133511641323 is a deficient number, since it is larger than the sum of its proper divisors (45249737493).

133511641323 is a wasteful number, since it uses less digits than its factorization.

133511641323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156994.

The product of its digits is 19440, while the sum is 33.

Adding to 133511641323 its reverse (323146115331), we get a palindrome (456657756654).

The spelling of 133511641323 in words is "one hundred thirty-three billion, five hundred eleven million, six hundred forty-one thousand, three hundred twenty-three".