23421145110 has 128 divisors (see below), whose sum is σ = 64245547008. Its totient is φ = 5412528000.

The previous prime is 23421145087. The next prime is 23421145127. The reversal of 23421145110 is 1154112432.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 668325 + ... + 702495.

It is an arithmetic number, because the mean of its divisors is an integer number (501918336).

Almost surely, 2^23421145110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23421145110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32122773504).

23421145110 is an abundant number, since it is smaller than the sum of its proper divisors (40824401898).

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

23421145110 is a wasteful number, since it uses less digits than its factorization.

23421145110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34290.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 23421145110 its reverse (1154112432), we get a palindrome (24575257542).

The spelling of 23421145110 in words is "twenty-three billion, four hundred twenty-one million, one hundred forty-five thousand, one hundred ten".