23140033111 has 16 divisors (see below), whose sum is σ = 25755383808. Its totient is φ = 20645704800.

The previous prime is 23140033043. The next prime is 23140033129. The reversal of 23140033111 is 11133004132.

It is a cyclic number.

It is not a de Polignac number, because 23140033111 - 2¹⁵ = 23140000343 is a prime.

It is a super-2 number, since 2×23140033111² (a number of 22 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 (23140033811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298566 + ... + 367996.

It is an arithmetic number, because the mean of its divisors is an integer number (1609711488).

Almost surely, 2^23140033111 is an apocalyptic number.

23140033111 is a deficient number, since it is larger than the sum of its proper divisors (2615350697).

23140033111 is a wasteful number, since it uses less digits than its factorization.

23140033111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70302.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 23140033111 its reverse (11133004132), we get a palindrome (34273037243).

The spelling of 23140033111 in words is "twenty-three billion, one hundred forty million, thirty-three thousand, one hundred eleven".