23211430242 has 288 divisors, whose sum is σ = 65198540736. Its totient is φ = 5454408960.

The previous prime is 23211430201. The next prime is 23211430271. The reversal of 23211430242 is 24203411232.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 24510013 + ... + 24510959.

It is an arithmetic number, because the mean of its divisors is an integer number (226383822).

Almost surely, 2^23211430242 is an apocalyptic number.

23211430242 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 23211430242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32599270368).

23211430242 is an abundant number, since it is smaller than the sum of its proper divisors (41987110494).

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

23211430242 is a wasteful number, since it uses less digits than its factorization.

23211430242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 23211430242 its reverse (24203411232), we get a palindrome (47414841474).

The spelling of 23211430242 in words is "twenty-three billion, two hundred eleven million, four hundred thirty thousand, two hundred forty-two".