23551350000 has 240 divisors, whose sum is σ = 76528289376. Its totient is φ = 6240640000.

The previous prime is 23551349999. The next prime is 23551350007. The reversal of 23551350000 is 5315532.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23551350007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29549602 + ... + 29550398.

Almost surely, 2^23551350000 is an apocalyptic number.

23551350000 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 23551350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38264144688).

23551350000 is an abundant number, since it is smaller than the sum of its proper divisors (52976939376).

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

23551350000 is an equidigital number, since it uses as much as digits as its factorization.

23551350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

Adding to 23551350000 its reverse (5315532), we get a palindrome (23556665532).

The spelling of 23551350000 in words is "twenty-three billion, five hundred fifty-one million, three hundred fifty thousand".