23223859540 has 24 divisors (see below), whose sum is σ = 55737263232. Its totient is φ = 7962466080.

The previous prime is 23223859531. The next prime is 23223859567. The reversal of 23223859540 is 4595832232.

It is a congruent number.

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, 82942216 + ... + 82942495.

It is an arithmetic number, because the mean of its divisors is an integer number (2322385968).

Almost surely, 2^23223859540 is an apocalyptic number.

23223859540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23223859540 is an abundant number, since it is smaller than the sum of its proper divisors (32513403692).

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

23223859540 is a wasteful number, since it uses less digits than its factorization.

23223859540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165884727 (or 165884725 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 23223859540 in words is "twenty-three billion, two hundred twenty-three million, eight hundred fifty-nine thousand, five hundred forty".