133300231123 has 4 divisors (see below), whose sum is σ = 134906258088. Its totient is φ = 131694204160.

The previous prime is 133300231121. The next prime is 133300231147. The reversal of 133300231123 is 321132003331.

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 133300231123 - 2¹ = 133300231121 is a prime.

It is a super-2 number, since 2×133300231123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133300231094 and 133300231103.

It is not an unprimeable number, because it can be changed into a prime (133300231121) 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, 803013358 + ... + 803013523.

It is an arithmetic number, because the mean of its divisors is an integer number (33726564522).

Almost surely, 2^133300231123 is an apocalyptic number.

133300231123 is a deficient number, since it is larger than the sum of its proper divisors (1606026965).

133300231123 is an equidigital number, since it uses as much as digits as its factorization.

133300231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606026964.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133300231123 its reverse (321132003331), we get a palindrome (454432234454).

The spelling of 133300231123 in words is "one hundred thirty-three billion, three hundred million, two hundred thirty-one thousand, one hundred twenty-three".