23240034442 has 8 divisors (see below), whose sum is σ = 36062122500. Its totient is φ = 11219326944.

The previous prime is 23240034437. The next prime is 23240034449. The reversal of 23240034442 is 24443004232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20206338201 + 3033696241 = 142149^2 + 55079^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 23240034442.

It is not an unprimeable number, because it can be changed into a prime (23240034449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200345067 + ... + 200345182.

Almost surely, 2^23240034442 is an apocalyptic number.

23240034442 is a deficient number, since it is larger than the sum of its proper divisors (12822088058).

23240034442 is a wasteful number, since it uses less digits than its factorization.

23240034442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400690280.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 23240034442 its reverse (24443004232), we get a palindrome (47683038674).

The spelling of 23240034442 in words is "twenty-three billion, two hundred forty million, thirty-four thousand, four hundred forty-two".