23231130142242 has 128 divisors (see below), whose sum is σ = 54059481907200. Its totient is φ = 6581587521600.

The previous prime is 23231130142229. The next prime is 23231130142273. The reversal of 23231130142242 is 24224103113232.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28710067 + ... + 29508137.

It is an arithmetic number, because the mean of its divisors is an integer number (422339702400).

Almost surely, 2^{23231130142242} is an apocalyptic number.

23231130142242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23231130142242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27029740953600).

23231130142242 is an abundant number, since it is smaller than the sum of its proper divisors (30828351764958).

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

23231130142242 is a wasteful number, since it uses less digits than its factorization.

23231130142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798412.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 23231130142242 its reverse (24224103113232), we get a palindrome (47455233255474).

The spelling of 23231130142242 in words is "twenty-three trillion, two hundred thirty-one billion, one hundred thirty million, one hundred forty-two thousand, two hundred forty-two".