23145044504 has 8 divisors (see below), whose sum is σ = 43396958460. Its totient is φ = 11572522248.

The previous prime is 23145044497. The next prime is 23145044543. The reversal of 23145044504 is 40544054132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1446565274 + ... + 1446565289.

Almost surely, 2^23145044504 is an apocalyptic number.

It is an amenable number.

23145044504 is a deficient number, since it is larger than the sum of its proper divisors (20251913956).

23145044504 is a wasteful number, since it uses less digits than its factorization.

23145044504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893130569 (or 2893130565 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 23145044504 its reverse (40544054132), we get a palindrome (63689098636).

The spelling of 23145044504 in words is "twenty-three billion, one hundred forty-five million, forty-four thousand, five hundred four".