23403403444144 has 40 divisors (see below), whose sum is σ = 48669084198000. Its totient is φ = 10862498285568.

The previous prime is 23403403444129. The next prime is 23403403444181. The reversal of 23403403444144 is 44144430430432.

It is a junction number, because it is equal to n+sod(n) for n = 23403403444097 and 23403403444106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589308394 + ... + 589348105.

It is an arithmetic number, because the mean of its divisors is an integer number (1216727104950).

Almost surely, 2^{23403403444144} is an apocalyptic number.

It is an amenable number.

23403403444144 is an abundant number, since it is smaller than the sum of its proper divisors (25265680753856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23403403444144 is a wasteful number, since it uses less digits than its factorization.

23403403444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178656597 (or 1178656591 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 40.

Adding to 23403403444144 its reverse (44144430430432), we get a palindrome (67547833874576).

The spelling of 23403403444144 in words is "twenty-three trillion, four hundred three billion, four hundred three million, four hundred forty-four thousand, one hundred forty-four".