23002040423000 has 128 divisors (see below), whose sum is σ = 54172785139200. Its totient is φ = 9141379632000.

The previous prime is 23002040422951. The next prime is 23002040423003. The reversal of 23002040423000 is 32404020032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002040423003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363861395 + ... + 363924605.

It is an arithmetic number, because the mean of its divisors is an integer number (423224883900).

Almost surely, 2^{23002040423000} is an apocalyptic number.

23002040423000 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 23002040423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27086392569600).

23002040423000 is an abundant number, since it is smaller than the sum of its proper divisors (31170744716200).

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

23002040423000 is a wasteful number, since it uses less digits than its factorization.

23002040423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65578 (or 65564 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23002040423000 its reverse (32404020032), we get a palindrome (23034444443032).

The spelling of 23002040423000 in words is "twenty-three trillion, two billion, forty million, four hundred twenty-three thousand".