23111120343 has 16 divisors (see below), whose sum is σ = 31277363040. Its totient is φ = 15177780864.

The previous prime is 23111120321. The next prime is 23111120363. The reversal of 23111120343 is 34302111132.

It is not a de Polignac number, because 23111120343 - 2⁵ = 23111120311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111120303) 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, 147696 + ... + 260837.

It is an arithmetic number, because the mean of its divisors is an integer number (1954835190).

Almost surely, 2^23111120343 is an apocalyptic number.

23111120343 is a deficient number, since it is larger than the sum of its proper divisors (8166242697).

23111120343 is a wasteful number, since it uses less digits than its factorization.

23111120343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408818.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 23111120343 its reverse (34302111132), we get a palindrome (57413231475).

The spelling of 23111120343 in words is "twenty-three billion, one hundred eleven million, one hundred twenty thousand, three hundred forty-three".