23240212044040 has 16 divisors (see below), whose sum is σ = 52290477099180. Its totient is φ = 9296084817600.

The previous prime is 23240212044037. The next prime is 23240212044041. The reversal of 23240212044040 is 4044021204232.

It can be written as a sum of positive squares in 2 ways, for example, as 23230529877636 + 9682166404 = 4819806^2 + 98398^2 .

It is not an unprimeable number, because it can be changed into a prime (23240212044041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290502650511 + ... + 290502650590.

Almost surely, 2^{23240212044040} is an apocalyptic number.

23240212044040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240212044040 is an abundant number, since it is smaller than the sum of its proper divisors (29050265055140).

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

23240212044040 is a wasteful number, since it uses less digits than its factorization.

23240212044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581005301112 (or 581005301108 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 23240212044040 its reverse (4044021204232), we get a palindrome (27284233248272).

The spelling of 23240212044040 in words is "twenty-three trillion, two hundred forty billion, two hundred twelve million, forty-four thousand, forty".