23440423034 has 16 divisors (see below), whose sum is σ = 40251359808. Its totient is φ = 10028951232.

The previous prime is 23440423033. The next prime is 23440423051. The reversal of 23440423034 is 43032404432.

It is a junction number, because it is equal to n+sod(n) for n = 23440422988 and 23440423006.

It is not an unprimeable number, because it can be changed into a prime (23440423033) 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, 1403432 + ... + 1420035.

It is an arithmetic number, because the mean of its divisors is an integer number (2515709988).

Almost surely, 2^23440423034 is an apocalyptic number.

23440423034 is a deficient number, since it is larger than the sum of its proper divisors (16810936774).

23440423034 is a wasteful number, since it uses less digits than its factorization.

23440423034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824069.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 23440423034 its reverse (43032404432), we get a palindrome (66472827466).

The spelling of 23440423034 in words is "twenty-three billion, four hundred forty million, four hundred twenty-three thousand, thirty-four".