23204240312144 has 40 divisors (see below), whose sum is σ = 46485175883328. Its totient is φ = 11213355211520.

The previous prime is 23204240312137. The next prime is 23204240312159. The reversal of 23204240312144 is 44121304240232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23204240312144.

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, 165221012 + ... + 165361395.

Almost surely, 2^{23204240312144} is an apocalyptic number.

It is an amenable number.

23204240312144 is an abundant number, since it is smaller than the sum of its proper divisors (23280935571184).

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

23204240312144 is a wasteful number, since it uses less digits than its factorization.

23204240312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330582563 (or 330582557 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 23204240312144 its reverse (44121304240232), we get a palindrome (67325544552376).

The spelling of 23204240312144 in words is "twenty-three trillion, two hundred four billion, two hundred forty million, three hundred twelve thousand, one hundred forty-four".