23432500140 has 96 divisors (see below), whose sum is σ = 75099709440. Its totient is φ = 5347735296.

The previous prime is 23432500129. The next prime is 23432500181. The reversal of 23432500140 is 4100523432.

It is a super-2 number, since 2×23432500140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23432500140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231541 + ... + 316979.

It is an arithmetic number, because the mean of its divisors is an integer number (782288640).

Almost surely, 2^23432500140 is an apocalyptic number.

23432500140 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 23432500140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37549854720).

23432500140 is an abundant number, since it is smaller than the sum of its proper divisors (51667209300).

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

23432500140 is a wasteful number, since it uses less digits than its factorization.

23432500140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86111 (or 86109 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 23432500140 in words is "twenty-three billion, four hundred thirty-two million, five hundred thousand, one hundred forty".