133030220123 has 4 divisors (see below), whose sum is σ = 134714147040. Its totient is φ = 131346293208.

The previous prime is 133030220111. The next prime is 133030220131. The reversal of 133030220123 is 321022030331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321022030331 = 17 ⋅18883648843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133030220123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133030220095 and 133030220104.

It is not an unprimeable number, because it can be changed into a prime (133030220143) 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, 841963340 + ... + 841963497.

It is an arithmetic number, because the mean of its divisors is an integer number (33678536760).

Almost surely, 2^133030220123 is an apocalyptic number.

133030220123 is a deficient number, since it is larger than the sum of its proper divisors (1683926917).

133030220123 is an equidigital number, since it uses as much as digits as its factorization.

133030220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683926916.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 133030220123 its reverse (321022030331), we get a palindrome (454052250454).

The spelling of 133030220123 in words is "one hundred thirty-three billion, thirty million, two hundred twenty thousand, one hundred twenty-three".