1232131302123 has 16 divisors (see below), whose sum is σ = 1667703986976. Its totient is φ = 809074022400.

The previous prime is 1232131302107. The next prime is 1232131302137. The reversal of 1232131302123 is 3212031312321.

It is not a de Polignac number, because 1232131302123 - 2⁴ = 1232131302107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232131302093 and 1232131302102.

It is not an unprimeable number, because it can be changed into a prime (1232131302823) 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, 10476340 + ... + 10593297.

It is an arithmetic number, because the mean of its divisors is an integer number (104231499186).

Almost surely, 2^{1232131302123} is an apocalyptic number.

1232131302123 is a deficient number, since it is larger than the sum of its proper divisors (435572684853).

1232131302123 is a wasteful number, since it uses less digits than its factorization.

1232131302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21069934.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1232131302123 its reverse (3212031312321), we get a palindrome (4444162614444).

The spelling of 1232131302123 in words is "one trillion, two hundred thirty-two billion, one hundred thirty-one million, three hundred two thousand, one hundred twenty-three".