23243144231340 has 144 divisors (see below), whose sum is σ = 77074251770880. Its totient is φ = 5622937933440.

The previous prime is 23243144231339. The next prime is 23243144231369. The reversal of 23243144231340 is 4313244134232.

23243144231340 is a `hidden beast` number, since 2 + 3 + 2 + 43 + 1 + 44 + 231 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23243144231295 and 23243144231304.

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, 11305194 + ... + 13202033.

It is an arithmetic number, because the mean of its divisors is an integer number (535237859520).

Almost surely, 2^{23243144231340} is an apocalyptic number.

23243144231340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23243144231340 is an abundant number, since it is smaller than the sum of its proper divisors (53831107539540).

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

23243144231340 is a wasteful number, since it uses less digits than its factorization.

23243144231340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24507732 (or 24507727 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 23243144231340 its reverse (4313244134232), we get a palindrome (27556388365572).

The spelling of 23243144231340 in words is "twenty-three trillion, two hundred forty-three billion, one hundred forty-four million, two hundred thirty-one thousand, three hundred forty".