1223231231013 has 8 divisors (see below), whose sum is σ = 1779245426976. Its totient is φ = 741352261200.

The previous prime is 1223231230967. The next prime is 1223231231021. The reversal of 1223231231013 is 3101321323221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223231231013 - 2⁸ = 1223231230757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223231241013) 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, 18533806498 + ... + 18533806563.

It is an arithmetic number, because the mean of its divisors is an integer number (222405678372).

Almost surely, 2^{1223231231013} is an apocalyptic number.

It is an amenable number.

1223231231013 is a deficient number, since it is larger than the sum of its proper divisors (556014195963).

1223231231013 is a wasteful number, since it uses less digits than its factorization.

1223231231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067613075.

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

Adding to 1223231231013 its reverse (3101321323221), we get a palindrome (4324552554234).

The spelling of 1223231231013 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-one million, two hundred thirty-one thousand, thirteen".