23240402022042 has 48 divisors (see below), whose sum is σ = 52260652997280. Its totient is φ = 7740647332272.

The previous prime is 23240402022041. The next prime is 23240402022073. The reversal of 23240402022042 is 24022020404232.

23240402022042 is a `hidden beast` number, since 2 + 32 + 4 + 0 + 402 + 0 + 220 + 4 + 2 = 666.

It is a super-2 number, since 2×23240402022042² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23240402021997 and 23240402022015.

It is not an unprimeable number, because it can be changed into a prime (23240402022041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18379293 + ... + 19603040.

It is an arithmetic number, because the mean of its divisors is an integer number (1088763604110).

Almost surely, 2^{23240402022042} is an apocalyptic number.

23240402022042 is an abundant number, since it is smaller than the sum of its proper divisors (29020250975238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23240402022042 is a wasteful number, since it uses less digits than its factorization.

23240402022042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37983609 (or 37983597 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 23240402022042 its reverse (24022020404232), we get a palindrome (47262422426274).

The spelling of 23240402022042 in words is "twenty-three trillion, two hundred forty billion, four hundred two million, twenty-two thousand, forty-two".