23643312142 has 8 divisors (see below), whose sum is σ = 35830586736. Its totient is φ = 11699783232.

The previous prime is 23643312101. The next prime is 23643312149. The reversal of 23643312142 is 24121334632.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×23643312142³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23643312149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60936178 + ... + 60936565.

It is an arithmetic number, because the mean of its divisors is an integer number (4478823342).

Almost surely, 2^23643312142 is an apocalyptic number.

23643312142 is a deficient number, since it is larger than the sum of its proper divisors (12187274594).

23643312142 is a wasteful number, since it uses less digits than its factorization.

23643312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121872842.

The product of its digits is 20736, while the sum is 31.

Adding to 23643312142 its reverse (24121334632), we get a palindrome (47764646774).

The spelling of 23643312142 in words is "twenty-three billion, six hundred forty-three million, three hundred twelve thousand, one hundred forty-two".