1233531320023 has 8 divisors (see below), whose sum is σ = 1235758680576. Its totient is φ = 1231304823000.

The previous prime is 1233531320017. The next prime is 1233531320027. The reversal of 1233531320023 is 3200231353321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233531320023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233531319973 and 1233531320000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233531320027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2678598 + ... + 3105148.

It is an arithmetic number, because the mean of its divisors is an integer number (154469835072).

Almost surely, 2^{1233531320023} is an apocalyptic number.

1233531320023 is a deficient number, since it is larger than the sum of its proper divisors (2227360553).

1233531320023 is an equidigital number, since it uses as much as digits as its factorization.

1233531320023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431765.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 1233531320023 its reverse (3200231353321), we get a palindrome (4433762673344).

The spelling of 1233531320023 in words is "one trillion, two hundred thirty-three billion, five hundred thirty-one million, three hundred twenty thousand, twenty-three".