23098717544 has 128 divisors (see below), whose sum is σ = 52700793600. Its totient is φ = 9271480320.

The previous prime is 23098717519. The next prime is 23098717549. The reversal of 23098717544 is 44571789032.

It is a junction number, because it is equal to n+sod(n) for n = 23098717492 and 23098717501.

It is not an unprimeable number, because it can be changed into a prime (23098717549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53345552 + ... + 53345984.

It is an arithmetic number, because the mean of its divisors is an integer number (411724950).

Almost surely, 2^23098717544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23098717544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26350396800).

23098717544 is an abundant number, since it is smaller than the sum of its proper divisors (29602076056).

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

23098717544 is a wasteful number, since it uses less digits than its factorization.

23098717544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 23098717544 in words is "twenty-three billion, ninety-eight million, seven hundred seventeen thousand, five hundred forty-four".