13123231132302 has 48 divisors (see below), whose sum is σ = 29039135254272. Its totient is φ = 4281264666000.

The previous prime is 13123231132301. The next prime is 13123231132339. The reversal of 13123231132302 is 20323113232131.

13123231132302 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 323 + 1 + 1 + 32 + 302 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123231132301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73725453 + ... + 73903239.

It is an arithmetic number, because the mean of its divisors is an integer number (604981984464).

Almost surely, 2^{13123231132302} is an apocalyptic number.

13123231132302 is an abundant number, since it is smaller than the sum of its proper divisors (15915904121970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13123231132302 is a wasteful number, since it uses less digits than its factorization.

13123231132302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265093 (or 265090 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 13123231132302 its reverse (20323113232131), we get a palindrome (33446344364433).

The spelling of 13123231132302 in words is "thirteen trillion, one hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred two".