23737543228 has 48 divisors (see below), whose sum is σ = 47676670720. Its totient is φ = 10130137344.

The previous prime is 23737543199. The next prime is 23737543259. The reversal of 23737543228 is 82234573732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7503175 + ... + 7506337.

Almost surely, 2^23737543228 is an apocalyptic number.

23737543228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23737543228 is an abundant number, since it is smaller than the sum of its proper divisors (23939127492).

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

23737543228 is a wasteful number, since it uses less digits than its factorization.

23737543228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4226 (or 4224 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 46.

The spelling of 23737543228 in words is "twenty-three billion, seven hundred thirty-seven million, five hundred forty-three thousand, two hundred twenty-eight".