23145313242442 has 16 divisors (see below), whose sum is σ = 34863841297152. Its totient is φ = 11524131140800.

The previous prime is 23145313242413. The next prime is 23145313242517. The reversal of 23145313242442 is 24424231354132.

It is a super-2 number, since 2×23145313242442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23145313242395 and 23145313242404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24111418 + ... + 25052965.

It is an arithmetic number, because the mean of its divisors is an integer number (2178990081072).

Almost surely, 2^{23145313242442} is an apocalyptic number.

23145313242442 is a deficient number, since it is larger than the sum of its proper divisors (11718528054710).

23145313242442 is a wasteful number, since it uses less digits than its factorization.

23145313242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49165373.

The product of its digits is 552960, while the sum is 40.

Adding to 23145313242442 its reverse (24424231354132), we get a palindrome (47569544596574).

The spelling of 23145313242442 in words is "twenty-three trillion, one hundred forty-five billion, three hundred thirteen million, two hundred forty-two thousand, four hundred forty-two".