23503454444 has 6 divisors (see below), whose sum is σ = 41131045284. Its totient is φ = 11751727220.

The previous prime is 23503454441. The next prime is 23503454449. The reversal of 23503454444 is 44445430532.

It is a junction number, because it is equal to n+sod(n) for n = 23503454398 and 23503454407.

It is not an unprimeable number, because it can be changed into a prime (23503454441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2937931802 + ... + 2937931809.

It is an arithmetic number, because the mean of its divisors is an integer number (6855174214).

Almost surely, 2^23503454444 is an apocalyptic number.

It is an amenable number.

23503454444 is a deficient number, since it is larger than the sum of its proper divisors (17627590840).

23503454444 is a wasteful number, since it uses less digits than its factorization.

23503454444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875863615 (or 5875863613 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 23503454444 its reverse (44445430532), we get a palindrome (67948884976).

The spelling of 23503454444 in words is "twenty-three billion, five hundred three million, four hundred fifty-four thousand, four hundred forty-four".