131403234221223 has 4 divisors (see below), whose sum is σ = 175204312294968. Its totient is φ = 87602156147480.

The previous prime is 131403234221219. The next prime is 131403234221257. The reversal of 131403234221223 is 322122432304131.

It is a happy number.

131403234221223 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131403234221223 - 2² = 131403234221219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403234221213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21900539036868 + ... + 21900539036873.

It is an arithmetic number, because the mean of its divisors is an integer number (43801078073742).

Almost surely, 2^{131403234221223} is an apocalyptic number.

131403234221223 is a deficient number, since it is larger than the sum of its proper divisors (43801078073745).

131403234221223 is an equidigital number, since it uses as much as digits as its factorization.

131403234221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43801078073744.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 131403234221223 its reverse (322122432304131), we get a palindrome (453525666525354).

The spelling of 131403234221223 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred thirty-four million, two hundred twenty-one thousand, two hundred twenty-three".