23630221242 has 12 divisors (see below), whose sum is σ = 51198812730. Its totient is φ = 7876740408.

The previous prime is 23630221193. The next prime is 23630221249. The reversal of 23630221242 is 24212203632.

It is a happy number.

23630221242 is a `hidden beast` number, since 2 + 3 + 630 + 2 + 2 + 1 + 24 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18033535521 + 5596685721 = 134289^2 + 74811^2 .

It is not an unprimeable number, because it can be changed into a prime (23630221249) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 656395017 + ... + 656395052.

Almost surely, 2^23630221242 is an apocalyptic number.

23630221242 is an abundant number, since it is smaller than the sum of its proper divisors (27568591488).

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

23630221242 is a wasteful number, since it uses less digits than its factorization.

23630221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312790077 (or 1312790074 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 23630221242 its reverse (24212203632), we get a palindrome (47842424874).

The spelling of 23630221242 in words is "twenty-three billion, six hundred thirty million, two hundred twenty-one thousand, two hundred forty-two".