2321124140 has 24 divisors (see below), whose sum is σ = 4978072512. Its totient is φ = 908695040.

The previous prime is 2321124137. The next prime is 2321124173. The reversal of 2321124140 is 414211232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1233701 + ... + 1235580.

It is an arithmetic number, because the mean of its divisors is an integer number (207419688).

Almost surely, 2^2321124140 is an apocalyptic number.

2321124140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321124140 is an abundant number, since it is smaller than the sum of its proper divisors (2656948372).

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

2321124140 is a wasteful number, since it uses less digits than its factorization.

2321124140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469337 (or 2469335 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2321124140 is about 48178.0462451520. The cubic root of 2321124140 is about 1324.0349712227.

Adding to 2321124140 its reverse (414211232), we get a palindrome (2735335372).

The spelling of 2321124140 in words is "two billion, three hundred twenty-one million, one hundred twenty-four thousand, one hundred forty".