2303998405 has 8 divisors (see below), whose sum is σ = 2773689984. Its totient is φ = 1837270800.

The previous prime is 2303998391. The next prime is 2303998469. The reversal of 2303998405 is 5048993032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2303998405 - 2⁵ = 2303998373 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 739281 + ... + 742390.

It is an arithmetic number, because the mean of its divisors is an integer number (346711248).

Almost surely, 2^2303998405 is an apocalyptic number.

It is an amenable number.

2303998405 is a deficient number, since it is larger than the sum of its proper divisors (469691579).

2303998405 is a wasteful number, since it uses less digits than its factorization.

2303998405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481987.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 2303998405 is about 47999.9833854138. The cubic root of 2303998405 is about 1320.7705947792.

The spelling of 2303998405 in words is "two billion, three hundred three million, nine hundred ninety-eight thousand, four hundred five".