1233450155513 has 8 divisors (see below), whose sum is σ = 1289699775936. Its totient is φ = 1177418981200.

The previous prime is 1233450155489. The next prime is 1233450155519. The reversal of 1233450155513 is 3155510543321.

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

It is a cyclic number.

It is not a de Polignac number, because 1233450155513 - 2⁸ = 1233450155257 is a prime.

It is a super-2 number, since 2×1233450155513² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233450155519) 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, 54599978 + ... + 54622563.

It is an arithmetic number, because the mean of its divisors is an integer number (161212471992).

Almost surely, 2^{1233450155513} is an apocalyptic number.

It is an amenable number.

1233450155513 is a deficient number, since it is larger than the sum of its proper divisors (56249620423).

1233450155513 is a wasteful number, since it uses less digits than its factorization.

1233450155513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109223055.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 1233450155513 its reverse (3155510543321), we get a palindrome (4388960698834).

The spelling of 1233450155513 in words is "one trillion, two hundred thirty-three billion, four hundred fifty million, one hundred fifty-five thousand, five hundred thirteen".