2308457421 has 64 divisors (see below), whose sum is σ = 3832012800. Its totient is φ = 1364905728.

The previous prime is 2308457413. The next prime is 2308457443. The reversal of 2308457421 is 1247548032.

It is a happy number.

2308457421 is a `hidden beast` number, since 2 + 3 + 0 + 84 + 574 + 2 + 1 = 666.

It is not a de Polignac number, because 2308457421 - 2³ = 2308457413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308457401) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1944190 + ... + 1945376.

It is an arithmetic number, because the mean of its divisors is an integer number (59875200).

Almost surely, 2^2308457421 is an apocalyptic number.

It is an amenable number.

2308457421 is a deficient number, since it is larger than the sum of its proper divisors (1523555379).

2308457421 is a wasteful number, since it uses less digits than its factorization.

2308457421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2308457421 is about 48046.4090333502. The cubic root of 2308457421 is about 1321.6220916082.

The spelling of 2308457421 in words is "two billion, three hundred eight million, four hundred fifty-seven thousand, four hundred twenty-one".