23240144320340 has 24 divisors (see below), whose sum is σ = 48821530266600. Its totient is φ = 9292776357888.

The previous prime is 23240144320331. The next prime is 23240144320433. The reversal of 23240144320340 is 4302344104232.

It can be written as a sum of positive squares in 4 ways, for example, as 915615506884 + 22324528813456 = 956878^2 + 4724884^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23240144320297 and 23240144320306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205027565 + ... + 205140884.

It is an arithmetic number, because the mean of its divisors is an integer number (2034230427775).

Almost surely, 2^{23240144320340} is an apocalyptic number.

23240144320340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240144320340 is an abundant number, since it is smaller than the sum of its proper divisors (25581385946260).

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

23240144320340 is a wasteful number, since it uses less digits than its factorization.

23240144320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410171291 (or 410171289 counting only the distinct ones).

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

Adding to 23240144320340 its reverse (4302344104232), we get a palindrome (27542488424572).

The spelling of 23240144320340 in words is "twenty-three trillion, two hundred forty billion, one hundred forty-four million, three hundred twenty thousand, three hundred forty".