23400344415442 has 16 divisors (see below), whose sum is σ = 35126398477152. Its totient is φ = 11691546212160.

The previous prime is 23400344415431. The next prime is 23400344415479. The reversal of 23400344415442 is 24451444300432.

It is a super-2 number, since 2×23400344415442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23400344415395 and 23400344415404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36774553 + ... + 37405459.

It is an arithmetic number, because the mean of its divisors is an integer number (2195399904822).

Almost surely, 2^{23400344415442} is an apocalyptic number.

23400344415442 is a deficient number, since it is larger than the sum of its proper divisors (11726054061710).

23400344415442 is a wasteful number, since it uses less digits than its factorization.

23400344415442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644553.

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 23400344415442 its reverse (24451444300432), we get a palindrome (47851788715874).

The spelling of 23400344415442 in words is "twenty-three trillion, four hundred billion, three hundred forty-four million, four hundred fifteen thousand, four hundred forty-two".