2303123231305 has 16 divisors (see below), whose sum is σ = 2983621026960. Its totient is φ = 1696609548288.

The previous prime is 2303123231281. The next prime is 2303123231347. The reversal of 2303123231305 is 5031323213032.

It can be written as a sum of positive squares in 8 ways, for example, as 87514797241 + 2215608434064 = 295829^2 + 1488492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2303123231305 - 2²³ = 2303114842697 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 43289632 + ... + 43342801.

It is an arithmetic number, because the mean of its divisors is an integer number (186476314185).

Almost surely, 2^{2303123231305} is an apocalyptic number.

It is an amenable number.

2303123231305 is a deficient number, since it is larger than the sum of its proper divisors (680497795655).

2303123231305 is a wasteful number, since it uses less digits than its factorization.

2303123231305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86632860.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 2303123231305 its reverse (5031323213032), we get a palindrome (7334446444337).

The spelling of 2303123231305 in words is "two trillion, three hundred three billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred five".