240022020423 has 12 divisors (see below), whose sum is σ = 337759520568. Its totient is φ = 151592854320.

The previous prime is 240022020377. The next prime is 240022020439. The reversal of 240022020423 is 324020220042.

It is not a de Polignac number, because 240022020423 - 2¹⁴ = 240022004039 is a prime.

It is a super-2 number, since 2×240022020423² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240022020423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240022020523) 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, 110812408 + ... + 110814573.

It is an arithmetic number, because the mean of its divisors is an integer number (28146626714).

Almost surely, 2^240022020423 is an apocalyptic number.

240022020423 is a deficient number, since it is larger than the sum of its proper divisors (97737500145).

240022020423 is a wasteful number, since it uses less digits than its factorization.

240022020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221627022 (or 221627003 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 240022020423 its reverse (324020220042), we get a palindrome (564042240465).

The spelling of 240022020423 in words is "two hundred forty billion, twenty-two million, twenty thousand, four hundred twenty-three".