23281948890 has 48 divisors (see below), whose sum is σ = 60820003296. Its totient is φ = 6179090400.

The previous prime is 23281948841. The next prime is 23281948891. The reversal of 23281948890 is 9884918232.

It is not an unprimeable number, because it can be changed into a prime (23281948891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 594016 + ... + 631995.

It is an arithmetic number, because the mean of its divisors is an integer number (1267083402).

Almost surely, 2^23281948890 is an apocalyptic number.

23281948890 is an abundant number, since it is smaller than the sum of its proper divisors (37538054406).

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

23281948890 is a wasteful number, since it uses less digits than its factorization.

23281948890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226235 (or 1226232 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 23281948890 in words is "twenty-three billion, two hundred eighty-one million, nine hundred forty-eight thousand, eight hundred ninety".