131223010323 has 16 divisors (see below), whose sum is σ = 183151798272. Its totient is φ = 83467608000.

The previous prime is 131223010249. The next prime is 131223010333. The reversal of 131223010323 is 323010322131.

It is not a de Polignac number, because 131223010323 - 2⁸ = 131223010067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131223010323.

It is not an unprimeable number, because it can be changed into a prime (131223010333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9930018 + ... + 9943223.

It is an arithmetic number, because the mean of its divisors is an integer number (11446987392).

Almost surely, 2^131223010323 is an apocalyptic number.

131223010323 is a deficient number, since it is larger than the sum of its proper divisors (51928787949).

131223010323 is a wasteful number, since it uses less digits than its factorization.

131223010323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19873346.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131223010323 its reverse (323010322131), we get a palindrome (454233332454).

The spelling of 131223010323 in words is "one hundred thirty-one billion, two hundred twenty-three million, ten thousand, three hundred twenty-three".