23130430140 has 192 divisors, whose sum is σ = 69996326400. Its totient is φ = 5688216576.

The previous prime is 23130430093. The next prime is 23130430199. The reversal of 23130430140 is 4103403132.

It is a super-2 number, since 2×23130430140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19068174 + ... + 19069386.

It is an arithmetic number, because the mean of its divisors is an integer number (364564200).

Almost surely, 2^23130430140 is an apocalyptic number.

23130430140 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 23130430140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34998163200).

23130430140 is an abundant number, since it is smaller than the sum of its proper divisors (46865896260).

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

23130430140 is a wasteful number, since it uses less digits than its factorization.

23130430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23130430140 its reverse (4103403132), we get a palindrome (27233833272).

The spelling of 23130430140 in words is "twenty-three billion, one hundred thirty million, four hundred thirty thousand, one hundred forty".