23440244234 has 16 divisors (see below), whose sum is σ = 39292295616. Its totient is φ = 10394786400.

The previous prime is 23440244231. The next prime is 23440244279. The reversal of 23440244234 is 43244204432.

It is a self number, because there is not a number n which added to its sum of digits gives 23440244234.

It is not an unprimeable number, because it can be changed into a prime (23440244231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12992582 + ... + 12994385.

It is an arithmetic number, because the mean of its divisors is an integer number (2455768476).

Almost surely, 2^23440244234 is an apocalyptic number.

23440244234 is a deficient number, since it is larger than the sum of its proper divisors (15852051382).

23440244234 is a wasteful number, since it uses less digits than its factorization.

23440244234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25987021.

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 23440244234 its reverse (43244204432), we get a palindrome (66684448666).

The spelling of 23440244234 in words is "twenty-three billion, four hundred forty million, two hundred forty-four thousand, two hundred thirty-four".