23132120140 has 48 divisors (see below), whose sum is σ = 48765148992. Its totient is φ = 9217172736.

The previous prime is 23132120131. The next prime is 23132120153. The reversal of 23132120140 is 4102123132.

It is a happy 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 in 15 ways as a sum of consecutive naturals, for example, 6358402 + ... + 6362038.

It is an arithmetic number, because the mean of its divisors is an integer number (1015940604).

Almost surely, 2^23132120140 is an apocalyptic number.

23132120140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23132120140 is an abundant number, since it is smaller than the sum of its proper divisors (25633028852).

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

23132120140 is a wasteful number, since it uses less digits than its factorization.

23132120140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786 (or 4784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23132120140 its reverse (4102123132), we get a palindrome (27234243272).

The spelling of 23132120140 in words is "twenty-three billion, one hundred thirty-two million, one hundred twenty thousand, one hundred forty".