23431221142311 has 8 divisors (see below), whose sum is σ = 31241925761904. Its totient is φ = 15620665308800.

The previous prime is 23431221142297. The next prime is 23431221142411. The reversal of 23431221142311 is 11324112213432.

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

It is a cyclic number.

It is not a de Polignac number, because 23431221142311 - 2⁵ = 23431221142279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431221142211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36828540 + ... + 37459361.

It is an arithmetic number, because the mean of its divisors is an integer number (3905240720238).

Almost surely, 2^{23431221142311} is an apocalyptic number.

23431221142311 is a deficient number, since it is larger than the sum of its proper divisors (7810704619593).

23431221142311 is a wasteful number, since it uses less digits than its factorization.

23431221142311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74393041.

The product of its digits is 6912, while the sum is 30.

Adding to 23431221142311 its reverse (11324112213432), we get a palindrome (34755333355743).

The spelling of 23431221142311 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred twenty-one million, one hundred forty-two thousand, three hundred eleven".