23535100240 has 40 divisors (see below), whose sum is σ = 54733639680. Its totient is φ = 9411540096.

The previous prime is 23535100207. The next prime is 23535100243. The reversal of 23535100240 is 4200153532.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23535100243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280281 + ... + 354439.

It is an arithmetic number, because the mean of its divisors is an integer number (1368340992).

Almost surely, 2^23535100240 is an apocalyptic number.

23535100240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23535100240 is an abundant number, since it is smaller than the sum of its proper divisors (31198539440).

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

23535100240 is a wasteful number, since it uses less digits than its factorization.

23535100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78139 (or 78133 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 23535100240 its reverse (4200153532), we get a palindrome (27735253772).

The spelling of 23535100240 in words is "twenty-three billion, five hundred thirty-five million, one hundred thousand, two hundred forty".