23140443152 has 20 divisors (see below), whose sum is σ = 46783940160. Its totient is φ = 11067168288.

The previous prime is 23140443149. The next prime is 23140443187. The reversal of 23140443152 is 25134404132.

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 in 3 ways as a sum of consecutive naturals, for example, 31440452 + ... + 31441187.

It is an arithmetic number, because the mean of its divisors is an integer number (2339197008).

Almost surely, 2^23140443152 is an apocalyptic number.

It is an amenable number.

23140443152 is an abundant number, since it is smaller than the sum of its proper divisors (23643497008).

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

23140443152 is a wasteful number, since it uses less digits than its factorization.

23140443152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62881670 (or 62881664 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23140443152 its reverse (25134404132), we get a palindrome (48274847284).

The spelling of 23140443152 in words is "twenty-three billion, one hundred forty million, four hundred forty-three thousand, one hundred fifty-two".