240131423021 has 8 divisors (see below), whose sum is σ = 279087368640. Its totient is φ = 202338341568.

The previous prime is 240131423009. The next prime is 240131423027. The reversal of 240131423021 is 120324131042.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240131423021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240131423027) 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, 290715596 + ... + 290716421.

It is an arithmetic number, because the mean of its divisors is an integer number (34885921080).

Almost surely, 2^240131423021 is an apocalyptic number.

It is an amenable number.

240131423021 is a deficient number, since it is larger than the sum of its proper divisors (38955945619).

240131423021 is an equidigital number, since it uses as much as digits as its factorization.

240131423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581432083.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 240131423021 its reverse (120324131042), we get a palindrome (360455554063).

The spelling of 240131423021 in words is "two hundred forty billion, one hundred thirty-one million, four hundred twenty-three thousand, twenty-one".