1231223032301 has 12 divisors (see below), whose sum is σ = 1364773785312. Its totient is φ = 1108415613888.

The previous prime is 1231223032297. The next prime is 1231223032309. The reversal of 1231223032301 is 1032303221321.

It is not a de Polignac number, because 1231223032301 - 2² = 1231223032297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231223032309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92608295 + ... + 92621588.

It is an arithmetic number, because the mean of its divisors is an integer number (113731148776).

Almost surely, 2^{1231223032301} is an apocalyptic number.

It is an amenable number.

1231223032301 is a deficient number, since it is larger than the sum of its proper divisors (133550753011).

1231223032301 is a wasteful number, since it uses less digits than its factorization.

1231223032301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185229940 (or 185229923 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1231223032301 its reverse (1032303221321), we get a palindrome (2263526253622).

The spelling of 1231223032301 in words is "one trillion, two hundred thirty-one billion, two hundred twenty-three million, thirty-two thousand, three hundred one".