2304400143405 has 32 divisors (see below), whose sum is σ = 3715974662400. Its totient is φ = 1219399971840.

The previous prime is 2304400143389. The next prime is 2304400143457. The reversal of 2304400143405 is 5043410044032.

It is not a de Polignac number, because 2304400143405 - 2⁴ = 2304400143389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195496 + ... + 2155694.

It is an arithmetic number, because the mean of its divisors is an integer number (116124208200).

Almost surely, 2^{2304400143405} is an apocalyptic number.

It is an amenable number.

2304400143405 is a deficient number, since it is larger than the sum of its proper divisors (1411574518995).

2304400143405 is a wasteful number, since it uses less digits than its factorization.

2304400143405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960821.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 2304400143405 its reverse (5043410044032), we get a palindrome (7347810187437).

The spelling of 2304400143405 in words is "two trillion, three hundred four billion, four hundred million, one hundred forty-three thousand, four hundred five".