13123000220231 has 8 divisors (see below), whose sum is σ = 14316092886144. Its totient is φ = 11929922995320.

The previous prime is 13123000220203. The next prime is 13123000220237. The reversal of 13123000220231 is 13202200032131.

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

It is a de Polignac number, because none of the positive numbers 2^k-13123000220231 is a prime.

It is a super-2 number, since 2×13123000220231² (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 (13123000220237) 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, 2046155 + ... + 5516588.

It is an arithmetic number, because the mean of its divisors is an integer number (1789511610768).

Almost surely, 2^{13123000220231} is an apocalyptic number.

13123000220231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13123000220231 is a deficient number, since it is larger than the sum of its proper divisors (1193092665913).

13123000220231 is a wasteful number, since it uses less digits than its factorization.

13123000220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720501.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13123000220231 its reverse (13202200032131), we get a palindrome (26325200252362).

The spelling of 13123000220231 in words is "thirteen trillion, one hundred twenty-three billion, two hundred twenty thousand, two hundred thirty-one".