2423984121 has 12 divisors (see below), whose sum is σ = 3770642148. Its totient is φ = 1491682464.

The previous prime is 2423984081. The next prime is 2423984179. The reversal of 2423984121 is 1214893242.

2423984121 is a `hidden beast` number, since 2 + 4 + 239 + 8 + 412 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1317690000 + 1106294121 = 36300^2 + 33261^2 .

It is not a de Polignac number, because 2423984121 - 2⁷ = 2423983993 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2423984621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10358790 + ... + 10359023.

It is an arithmetic number, because the mean of its divisors is an integer number (314220179).

Almost surely, 2^2423984121 is an apocalyptic number.

It is an amenable number.

2423984121 is a deficient number, since it is larger than the sum of its proper divisors (1346658027).

2423984121 is a wasteful number, since it uses less digits than its factorization.

2423984121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20717832 (or 20717829 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2423984121 is about 49233.9732400301. The cubic root of 2423984121 is about 1343.3110590684.

The spelling of 2423984121 in words is "two billion, four hundred twenty-three million, nine hundred eighty-four thousand, one hundred twenty-one".