23240121320042 has 16 divisors (see below), whose sum is σ = 38166579296352. Its totient is φ = 10525555435920.

The previous prime is 23240121320041. The next prime is 23240121320047. The reversal of 23240121320042 is 24002312104232.

It is a junction number, because it is equal to n+sod(n) for n = 23240121319993 and 23240121320020.

It is not an unprimeable number, because it can be changed into a prime (23240121320041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906797428 + ... + 1906809615.

It is an arithmetic number, because the mean of its divisors is an integer number (2385411206022).

Almost surely, 2^{23240121320042} is an apocalyptic number.

23240121320042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23240121320042 is a deficient number, since it is larger than the sum of its proper divisors (14926457976310).

23240121320042 is a wasteful number, since it uses less digits than its factorization.

23240121320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813607333.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23240121320042 its reverse (24002312104232), we get a palindrome (47242433424274).

The spelling of 23240121320042 in words is "twenty-three trillion, two hundred forty billion, one hundred twenty-one million, three hundred twenty thousand, forty-two".