23040020424312 has 192 divisors, whose sum is σ = 63505233792000. Its totient is φ = 7545247137792.

The previous prime is 23040020424257. The next prime is 23040020424353. The reversal of 23040020424312 is 21342402004032.

23040020424312 is a `hidden beast` number, since 2 + 3 + 0 + 400 + 2 + 0 + 4 + 243 + 12 = 666.

It is a super-2 number, since 2×23040020424312² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2022290488 + ... + 2022301880.

It is an arithmetic number, because the mean of its divisors is an integer number (330756426000).

Almost surely, 2^{23040020424312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23040020424312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31752616896000).

23040020424312 is an abundant number, since it is smaller than the sum of its proper divisors (40465213367688).

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

23040020424312 is a wasteful number, since it uses less digits than its factorization.

23040020424312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13670 (or 13663 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 23040020424312 its reverse (21342402004032), we get a palindrome (44382422428344).

The spelling of 23040020424312 in words is "twenty-three trillion, forty billion, twenty million, four hundred twenty-four thousand, three hundred twelve".