133111333023 has 4 divisors (see below), whose sum is σ = 177481777368. Its totient is φ = 88740888680.

The previous prime is 133111332983. The next prime is 133111333031. The reversal of 133111333023 is 320333111331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133111333023 - 2¹³ = 133111324831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133111332984 and 133111333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133111333093) 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, 22185222168 + ... + 22185222173.

It is an arithmetic number, because the mean of its divisors is an integer number (44370444342).

Almost surely, 2^133111333023 is an apocalyptic number.

133111333023 is a deficient number, since it is larger than the sum of its proper divisors (44370444345).

133111333023 is an equidigital number, since it uses as much as digits as its factorization.

133111333023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44370444344.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 133111333023 its reverse (320333111331), we get a palindrome (453444444354).

The spelling of 133111333023 in words is "one hundred thirty-three billion, one hundred eleven million, three hundred thirty-three thousand, twenty-three".