23333231130 has 128 divisors (see below), whose sum is σ = 63994613760. Its totient is φ = 5389570560.

The previous prime is 23333231081. The next prime is 23333231137. The reversal of 23333231130 is 3113233332.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23333231130.

It is not an unprimeable number, because it can be changed into a prime (23333231137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1990326 + ... + 2002014.

It is an arithmetic number, because the mean of its divisors is an integer number (499957920).

Almost surely, 2^23333231130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23333231130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31997306880).

23333231130 is an abundant number, since it is smaller than the sum of its proper divisors (40661382630).

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

23333231130 is a wasteful number, since it uses less digits than its factorization.

23333231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 23333231130 its reverse (3113233332), we get a palindrome (26446464462).

It can be divided in two parts, 233332 and 31130, that added together give a palindrome (264462).

The spelling of 23333231130 in words is "twenty-three billion, three hundred thirty-three million, two hundred thirty-one thousand, one hundred thirty".