23510540000 has 120 divisors (see below), whose sum is σ = 59404553208. Its totient is φ = 9149760000.

The previous prime is 23510539999. The next prime is 23510540003. The reversal of 23510540000 is 4501532.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23510540003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 724115 + ... + 755885.

Almost surely, 2^23510540000 is an apocalyptic number.

23510540000 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 23510540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29702276604).

23510540000 is an abundant number, since it is smaller than the sum of its proper divisors (35894013208).

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

23510540000 is an equidigital number, since it uses as much as digits as its factorization.

23510540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31838 (or 31815 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 23510540000 in words is "twenty-three billion, five hundred ten million, five hundred forty thousand".