23224140240442 has 4 divisors (see below), whose sum is σ = 34836210360666. Its totient is φ = 11612070120220.

The previous prime is 23224140240421. The next prime is 23224140240487. The reversal of 23224140240442 is 24404204142232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18679692644001 + 4544447596441 = 4322001^2 + 2131771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23224140240398 and 23224140240407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5806035060109 + ... + 5806035060112.

Almost surely, 2^{23224140240442} is an apocalyptic number.

23224140240442 is a deficient number, since it is larger than the sum of its proper divisors (11612070120224).

23224140240442 is a wasteful number, since it uses less digits than its factorization.

23224140240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11612070120223.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 23224140240442 its reverse (24404204142232), we get a palindrome (47628344382674).

The spelling of 23224140240442 in words is "twenty-three trillion, two hundred twenty-four billion, one hundred forty million, two hundred forty thousand, four hundred forty-two".