123231040132321 has 12 divisors (see below), whose sum is σ = 135461168762836. Its totient is φ = 112020883492320.

The previous prime is 123231040132279. The next prime is 123231040132331.

123231040132321 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 73814920416721 + 49416119715600 = 8591561^2 + 7029660^2 .

It is not a de Polignac number, because 123231040132321 - 2¹⁷ = 123231040001249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123231040132321.

It is not an unprimeable number, because it can be changed into a prime (123231040132331) 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, 31483890 + ... + 35180923.

Almost surely, 2^{123231040132321} is an apocalyptic number.

123231040132321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123231040132321 is a deficient number, since it is larger than the sum of its proper divisors (12230128630515).

123231040132321 is a wasteful number, since it uses less digits than its factorization.

123231040132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66680112 (or 66680101 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 123231040132321 in words is "one hundred twenty-three trillion, two hundred thirty-one billion, forty million, one hundred thirty-two thousand, three hundred twenty-one".