2308430720421 has 72 divisors (see below), whose sum is σ = 3972126113280. Its totient is φ = 1287515186496.

The previous prime is 2308430720359. The next prime is 2308430720429. The reversal of 2308430720421 is 1240270348032.

It is a happy number.

2308430720421 is a `hidden beast` number, since 2 + 308 + 4 + 307 + 2 + 0 + 42 + 1 = 666.

2308430720421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2308430720421 - 2⁷ = 2308430720293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308430720429) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7455075 + ... + 7758543.

It is an arithmetic number, because the mean of its divisors is an integer number (55168418240).

Almost surely, 2^{2308430720421} is an apocalyptic number.

2308430720421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2308430720421 is a deficient number, since it is larger than the sum of its proper divisors (1663695392859).

2308430720421 is a wasteful number, since it uses less digits than its factorization.

2308430720421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303903 (or 303893 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 2308430720421 in words is "two trillion, three hundred eight billion, four hundred thirty million, seven hundred twenty thousand, four hundred twenty-one".