23043140242340 has 96 divisors (see below), whose sum is σ = 52131259635840. Its totient is φ = 8527559040000.

The previous prime is 23043140242327. The next prime is 23043140242391. The reversal of 23043140242340 is 4324204134032.

It is a junction number, because it is equal to n+sod(n) for n = 23043140242297 and 23043140242306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94666790 + ... + 94909890.

It is an arithmetic number, because the mean of its divisors is an integer number (543033954540).

Almost surely, 2^{23043140242340} is an apocalyptic number.

23043140242340 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 23043140242340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26065629817920).

23043140242340 is an abundant number, since it is smaller than the sum of its proper divisors (29088119393500).

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

23043140242340 is a wasteful number, since it uses less digits than its factorization.

23043140242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248973 (or 248971 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 23043140242340 its reverse (4324204134032), we get a palindrome (27367344376372).

The spelling of 23043140242340 in words is "twenty-three trillion, forty-three billion, one hundred forty million, two hundred forty-two thousand, three hundred forty".