23240204301340 has 96 divisors (see below), whose sum is σ = 53572741782336. Its totient is φ = 8415562721280.

The previous prime is 23240204301271. The next prime is 23240204301359. The reversal of 23240204301340 is 4310340204232.

It is a junction number, because it is equal to n+sod(n) for n = 23240204301299 and 23240204301308.

It is a congruent number.

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, 32623155 + ... + 33327925.

It is an arithmetic number, because the mean of its divisors is an integer number (558049393566).

Almost surely, 2^{23240204301340} is an apocalyptic number.

23240204301340 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 23240204301340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26786370891168).

23240204301340 is an abundant number, since it is smaller than the sum of its proper divisors (30332537480996).

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

23240204301340 is a wasteful number, since it uses less digits than its factorization.

23240204301340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707239 (or 707237 counting only the distinct ones).

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

Adding to 23240204301340 its reverse (4310340204232), we get a palindrome (27550544505572).

The spelling of 23240204301340 in words is "twenty-three trillion, two hundred forty billion, two hundred four million, three hundred one thousand, three hundred forty".