23436112140 has 72 divisors (see below), whose sum is σ = 81245193120. Its totient is φ = 5356825344.

The previous prime is 23436112123. The next prime is 23436112157. The reversal of 23436112140 is 4121163432.

It is a happy number.

23436112140 is a `hidden beast` number, since 2 + 3 + 4 + 3 + 611 + 2 + 1 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (23436112123) and next prime (23436112157).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9298785 + ... + 9301304.

It is an arithmetic number, because the mean of its divisors is an integer number (1128405460).

Almost surely, 2^23436112140 is an apocalyptic number.

23436112140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23436112140 is an abundant number, since it is smaller than the sum of its proper divisors (57809080980).

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

23436112140 is a wasteful number, since it uses less digits than its factorization.

23436112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18600111 (or 18600106 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 23436112140 its reverse (4121163432), we get a palindrome (27557275572).

The spelling of 23436112140 in words is "twenty-three billion, four hundred thirty-six million, one hundred twelve thousand, one hundred forty".