23311034111040 has 448 divisors, whose sum is σ = 83990252989440. Its totient is φ = 5430302760960.

The previous prime is 23311034111023. The next prime is 23311034111051. The reversal of 23311034111040 is 4011143011332.

It is a happy number.

It is a super-2 number, since 2×23311034111040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23311034111040.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 224500735 + ... + 224604545.

It is an arithmetic number, because the mean of its divisors is an integer number (187478243280).

Almost surely, 2^{23311034111040} is an apocalyptic number.

23311034111040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311034111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41995126494720).

23311034111040 is an abundant number, since it is smaller than the sum of its proper divisors (60679218878400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311034111040 is a wasteful number, since it uses less digits than its factorization.

23311034111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104810 (or 104800 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23311034111040 its reverse (4011143011332), we get a palindrome (27322177122372).

The spelling of 23311034111040 in words is "twenty-three trillion, three hundred eleven billion, thirty-four million, one hundred eleven thousand, forty".