13123452211231 has 8 divisors (see below), whose sum is σ = 13404437777664. Its totient is φ = 12842540110680.

The previous prime is 13123452211217. The next prime is 13123452211241. The reversal of 13123452211231 is 13211225432131.

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 13123452211231 - 2⁴¹ = 10924428955679 is a prime.

It is a super-2 number, since 2×13123452211231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13123452211193 and 13123452211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123452211241) 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, 18005305 + ... + 18719986.

It is an arithmetic number, because the mean of its divisors is an integer number (1675554722208).

Almost surely, 2^{13123452211231} is an apocalyptic number.

13123452211231 is a deficient number, since it is larger than the sum of its proper divisors (280985566433).

13123452211231 is an equidigital number, since it uses as much as digits as its factorization.

13123452211231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36732941.

The product of its digits is 8640, while the sum is 31.

Adding to 13123452211231 its reverse (13211225432131), we get a palindrome (26334677643362).

The spelling of 13123452211231 in words is "thirteen trillion, one hundred twenty-three billion, four hundred fifty-two million, two hundred eleven thousand, two hundred thirty-one".