240403121233 has 16 divisors (see below), whose sum is σ = 263052336960. Its totient is φ = 217886760000.

The previous prime is 240403121227. The next prime is 240403121243. The reversal of 240403121233 is 332121304042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240403121233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240403121198 and 240403121207.

It is not an unprimeable number, because it can be changed into a prime (240403121243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12317983 + ... + 12337483.

It is an arithmetic number, because the mean of its divisors is an integer number (16440771060).

Almost surely, 2^240403121233 is an apocalyptic number.

It is an amenable number.

240403121233 is a deficient number, since it is larger than the sum of its proper divisors (22649215727).

240403121233 is a wasteful number, since it uses less digits than its factorization.

240403121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22848.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 240403121233 its reverse (332121304042), we get a palindrome (572524425275).

The spelling of 240403121233 in words is "two hundred forty billion, four hundred three million, one hundred twenty-one thousand, two hundred thirty-three".