1305423530415 has 128 divisors (see below), whose sum is σ = 2415329280000. Its totient is φ = 668243157120.

The previous prime is 1305423530401. The next prime is 1305423530479. The reversal of 1305423530415 is 5140353245031.

1305423530415 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 4 + 235 + 3 + 0 + 415 = 666.

It is not a de Polignac number, because 1305423530415 - 2⁷ = 1305423530287 is a prime.

It is a super-2 number, since 2×1305423530415² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1305423530415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 313877106 + ... + 313881264.

It is an arithmetic number, because the mean of its divisors is an integer number (18869760000).

Almost surely, 2^{1305423530415} is an apocalyptic number.

1305423530415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1305423530415 is a deficient number, since it is larger than the sum of its proper divisors (1109905749585).

1305423530415 is a wasteful number, since it uses less digits than its factorization.

1305423530415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4802 (or 4796 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1305423530415 its reverse (5140353245031), we get a palindrome (6445776775446).

The spelling of 1305423530415 in words is "one trillion, three hundred five billion, four hundred twenty-three million, five hundred thirty thousand, four hundred fifteen".