231302133012323 has 4 divisors (see below), whose sum is σ = 231482415268488. Its totient is φ = 231121850756160.

The previous prime is 231302133012317. The next prime is 231302133012341. The reversal of 231302133012323 is 323210331203132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231302133012323 - 2¹⁸ = 231302132750179 is a prime.

It is a super-2 number, since 2×231302133012323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231302133012343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90141126158 + ... + 90141128723.

It is an arithmetic number, because the mean of its divisors is an integer number (57870603817122).

Almost surely, 2^{231302133012323} is an apocalyptic number.

231302133012323 is a deficient number, since it is larger than the sum of its proper divisors (180282256165).

231302133012323 is a wasteful number, since it uses less digits than its factorization.

231302133012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180282256164.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 231302133012323 its reverse (323210331203132), we get a palindrome (554512464215455).

The spelling of 231302133012323 in words is "two hundred thirty-one trillion, three hundred two billion, one hundred thirty-three million, twelve thousand, three hundred twenty-three".