23331400143442 has 8 divisors (see below), whose sum is σ = 35357895063036. Its totient is φ = 11545435122432.

The previous prime is 23331400143379. The next prime is 23331400143451. The reversal of 23331400143442 is 24434100413332.

It can be written as a sum of positive squares in 2 ways, for example, as 22991440013721 + 339960129721 = 4794939^2 + 583061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23331400143398 and 23331400143407.

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 3 ways as a sum of consecutive naturals, for example, 60132474403 + ... + 60132474790.

Almost surely, 2^{23331400143442} is an apocalyptic number.

23331400143442 is a deficient number, since it is larger than the sum of its proper divisors (12026494919594).

23331400143442 is a wasteful number, since it uses less digits than its factorization.

23331400143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120264949292.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 23331400143442 its reverse (24434100413332), we get a palindrome (47765500556774).

The spelling of 23331400143442 in words is "twenty-three trillion, three hundred thirty-one billion, four hundred million, one hundred forty-three thousand, four hundred forty-two".