240010134123321 has 12 divisors (see below), whose sum is σ = 349749280995348. Its totient is φ = 158590767089664.

The previous prime is 240010134123271. The next prime is 240010134123323. The reversal of 240010134123321 is 123321431010042.

240010134123321 is a `hidden beast` number, since 2 + 400 + 1 + 0 + 1 + 3 + 4 + 1 + 233 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18221671629225 + 221788462494096 = 4268685^2 + 14892564^2 .

It is not a de Polignac number, because 240010134123321 - 2¹¹ = 240010134121273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240010134123323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117999081640 + ... + 117999083673.

It is an arithmetic number, because the mean of its divisors is an integer number (29145773416279).

Almost surely, 2^{240010134123321} is an apocalyptic number.

It is an amenable number.

240010134123321 is a deficient number, since it is larger than the sum of its proper divisors (109739146872027).

240010134123321 is a wasteful number, since it uses less digits than its factorization.

240010134123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235998165432 (or 235998165429 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 240010134123321 its reverse (123321431010042), we get a palindrome (363331565133363).

The spelling of 240010134123321 in words is "two hundred forty trillion, ten billion, one hundred thirty-four million, one hundred twenty-three thousand, three hundred twenty-one".