23142444563 has 12 divisors (see below), whose sum is σ = 27223288920. Its totient is φ = 19613496672.

The previous prime is 23142444551. The next prime is 23142444583. The reversal of 23142444563 is 36544424132.

It is not a de Polignac number, because 23142444563 - 2⁶ = 23142444499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23142444503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2648981 + ... + 2657702.

It is an arithmetic number, because the mean of its divisors is an integer number (2268607410).

Almost surely, 2^23142444563 is an apocalyptic number.

23142444563 is a deficient number, since it is larger than the sum of its proper divisors (4080844357).

23142444563 is an equidigital number, since it uses as much as digits as its factorization.

23142444563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306786 (or 5306779 counting only the distinct ones).

The product of its digits is 276480, while the sum is 38.

Adding to 23142444563 its reverse (36544424132), we get a palindrome (59686868695).

The spelling of 23142444563 in words is "twenty-three billion, one hundred forty-two million, four hundred forty-four thousand, five hundred sixty-three".