23641212142 has 4 divisors (see below), whose sum is σ = 35461818216. Its totient is φ = 11820606070.

The previous prime is 23641212113. The next prime is 23641212191. The reversal of 23641212142 is 24121214632.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23641212142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5910303034 + ... + 5910303037.

It is an arithmetic number, because the mean of its divisors is an integer number (8865454554).

Almost surely, 2^23641212142 is an apocalyptic number.

23641212142 is a deficient number, since it is larger than the sum of its proper divisors (11820606074).

23641212142 is a wasteful number, since it uses less digits than its factorization.

23641212142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820606073.

The product of its digits is 4608, while the sum is 28.

Adding to 23641212142 its reverse (24121214632), we get a palindrome (47762426774).

The spelling of 23641212142 in words is "twenty-three billion, six hundred forty-one million, two hundred twelve thousand, one hundred forty-two".