23535199380 has 288 divisors, whose sum is σ = 85457756160. Its totient is φ = 4732358400.

The previous prime is 23535199379. The next prime is 23535199393. The reversal of 23535199380 is 8399153532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1567951 + ... + 1582889.

It is an arithmetic number, because the mean of its divisors is an integer number (296728320).

Almost surely, 2^23535199380 is an apocalyptic number.

23535199380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23535199380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42728878080).

23535199380 is an abundant number, since it is smaller than the sum of its proper divisors (61922556780).

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

23535199380 is a wasteful number, since it uses less digits than its factorization.

23535199380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15011 (or 14998 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 23535199380 in words is "twenty-three billion, five hundred thirty-five million, one hundred ninety-nine thousand, three hundred eighty".