23235531000 has 512 divisors, whose sum is σ = 82293719040. Its totient is φ = 5409600000.

The previous prime is 23235530993. The next prime is 23235531001. The reversal of 23235531000 is 13553232.

It is a happy number.

It is a super-2 number, since 2×23235531000² (a number of 22 digits) contains 22 as substring.

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 (23235531001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 110120895 + ... + 110121105.

It is an arithmetic number, because the mean of its divisors is an integer number (160729920).

Almost surely, 2^23235531000 is an apocalyptic number.

23235531000 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 23235531000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41146859520).

23235531000 is an abundant number, since it is smaller than the sum of its proper divisors (59058188040).

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

23235531000 is a wasteful number, since it uses less digits than its factorization.

23235531000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The spelling of 23235531000 in words is "twenty-three billion, two hundred thirty-five million, five hundred thirty-one thousand".