23514212140 has 24 divisors (see below), whose sum is σ = 50311542960. Its totient is φ = 9228218688.

The previous prime is 23514212093. The next prime is 23514212143. The reversal of 23514212140 is 4121241532.

It is not an unprimeable number, because it can be changed into a prime (23514212143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11090550 + ... + 11092669.

It is an arithmetic number, because the mean of its divisors is an integer number (2096314290).

Almost surely, 2^23514212140 is an apocalyptic number.

23514212140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23514212140 is an abundant number, since it is smaller than the sum of its proper divisors (26797330820).

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

23514212140 is a wasteful number, since it uses less digits than its factorization.

23514212140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183281 (or 22183279 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 23514212140 its reverse (4121241532), we get a palindrome (27635453672).

The spelling of 23514212140 in words is "twenty-three billion, five hundred fourteen million, two hundred twelve thousand, one hundred forty".