23140440303040 has 112 divisors (see below), whose sum is σ = 55234622779200. Its totient is φ = 9234102026240.

The previous prime is 23140440302999. The next prime is 23140440303047. The reversal of 23140440303040 is 4030304404132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23140440303047) 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, 1699871274 + ... + 1699884886.

Almost surely, 2^{23140440303040} is an apocalyptic number.

23140440303040 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 23140440303040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27617311389600).

23140440303040 is an abundant number, since it is smaller than the sum of its proper divisors (32094182476160).

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

23140440303040 is a wasteful number, since it uses less digits than its factorization.

23140440303040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25910 (or 25900 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23140440303040 its reverse (4030304404132), we get a palindrome (27170744707172).

The spelling of 23140440303040 in words is "twenty-three trillion, one hundred forty billion, four hundred forty million, three hundred three thousand, forty".