131223343002004 has 48 divisors (see below), whose sum is σ = 257290237512000. Its totient is φ = 58034395503360.

The previous prime is 131223343002001. The next prime is 131223343002043. The reversal of 131223343002004 is 400200343322131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131223343002001) 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, 241077519 + ... + 241621225.

It is an arithmetic number, because the mean of its divisors is an integer number (5360213281500).

Almost surely, 2^{131223343002004} is an apocalyptic number.

It is an amenable number.

131223343002004 is a deficient number, since it is larger than the sum of its proper divisors (126066894509996).

131223343002004 is a wasteful number, since it uses less digits than its factorization.

131223343002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692008 (or 692006 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 131223343002004 its reverse (400200343322131), we get a palindrome (531423686324135).

The spelling of 131223343002004 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred forty-three million, two thousand, four".