23545500000 has 336 divisors, whose sum is σ = 84340170432. Its totient is φ = 5704000000.

The previous prime is 23545499927. The next prime is 23545500061. The reversal of 23545500000 is 554532.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 55 ways as a sum of consecutive naturals, for example, 16499287 + ... + 16500713.

It is an arithmetic number, because the mean of its divisors is an integer number (251012412).

Almost surely, 2^23545500000 is an apocalyptic number.

23545500000 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 23545500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42170085216).

23545500000 is an abundant number, since it is smaller than the sum of its proper divisors (60794670432).

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

23545500000 is an equidigital number, since it uses as much as digits as its factorization.

23545500000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481 (or 1448 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The spelling of 23545500000 in words is "twenty-three billion, five hundred forty-five million, five hundred thousand".