23140243331111 has 8 divisors (see below), whose sum is σ = 24501495220560. Its totient is φ = 21778998231168.

The previous prime is 23140243331089. The next prime is 23140243331113. The reversal of 23140243331111 is 11113334204132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23140243331111 is a prime.

It is a super-2 number, since 2×23140243331111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140243331113) 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, 6432065 + ... + 9362261.

It is an arithmetic number, because the mean of its divisors is an integer number (3062686902570).

Almost surely, 2^{23140243331111} is an apocalyptic number.

23140243331111 is a deficient number, since it is larger than the sum of its proper divisors (1361251889449).

23140243331111 is a wasteful number, since it uses less digits than its factorization.

23140243331111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394753.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 23140243331111 its reverse (11113334204132), we get a palindrome (34253577535243).

The spelling of 23140243331111 in words is "twenty-three trillion, one hundred forty billion, two hundred forty-three million, three hundred thirty-one thousand, one hundred eleven".