240455131023 has 8 divisors (see below), whose sum is σ = 320619932208. Its totient is φ = 160296875264.

The previous prime is 240455131019. The next prime is 240455131043. The reversal of 240455131023 is 320131554042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240455131023 - 2² = 240455131019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240455131043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549986 + ... + 1698047.

It is an arithmetic number, because the mean of its divisors is an integer number (40077491526).

Almost surely, 2^240455131023 is an apocalyptic number.

240455131023 is a deficient number, since it is larger than the sum of its proper divisors (80164801185).

240455131023 is a wasteful number, since it uses less digits than its factorization.

240455131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272713.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 240455131023 its reverse (320131554042), we get a palindrome (560586685065).

The spelling of 240455131023 in words is "two hundred forty billion, four hundred fifty-five million, one hundred thirty-one thousand, twenty-three".