13233145254421 has 8 divisors (see below), whose sum is σ = 13432767387840. Its totient is φ = 13033585253568.

The previous prime is 13233145254403. The next prime is 13233145254467. The reversal of 13233145254421 is 12445254133231.

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 13233145254421 - 2¹⁹ = 13233144730133 is a prime.

It is a super-2 number, since 2×13233145254421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13233145254221) 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, 15103876 + ... + 15955981.

It is an arithmetic number, because the mean of its divisors is an integer number (1679095923480).

Almost surely, 2^{13233145254421} is an apocalyptic number.

It is an amenable number.

13233145254421 is a deficient number, since it is larger than the sum of its proper divisors (199622133419).

13233145254421 is an equidigital number, since it uses as much as digits as its factorization.

13233145254421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31066283.

The product of its digits is 345600, while the sum is 40.

Adding to 13233145254421 its reverse (12445254133231), we get a palindrome (25678399387652).

The spelling of 13233145254421 in words is "thirteen trillion, two hundred thirty-three billion, one hundred forty-five million, two hundred fifty-four thousand, four hundred twenty-one".