23445144543 has 16 divisors (see below), whose sum is σ = 31739976576. Its totient is φ = 15391432800.

The previous prime is 23445144523. The next prime is 23445144551. The reversal of 23445144543 is 34544154432.

It is not a de Polignac number, because 23445144543 - 2⁶ = 23445144479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445144523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76908 + ... + 229793.

It is an arithmetic number, because the mean of its divisors is an integer number (1983748536).

Almost surely, 2^23445144543 is an apocalyptic number.

23445144543 is a deficient number, since it is larger than the sum of its proper divisors (8294832033).

23445144543 is a wasteful number, since it uses less digits than its factorization.

23445144543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307094.

The product of its digits is 460800, while the sum is 39.

Adding to 23445144543 its reverse (34544154432), we get a palindrome (57989298975).

The spelling of 23445144543 in words is "twenty-three billion, four hundred forty-five million, one hundred forty-four thousand, five hundred forty-three".