1345306423556 has 12 divisors (see below), whose sum is σ = 2359120507968. Its totient is φ = 671271992712.

The previous prime is 1345306423537. The next prime is 1345306423567. The reversal of 1345306423556 is 6553246035431.

It is a super-2 number, since 2×1345306423556² (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 1345306423556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345302576 + ... + 345306471.

It is an arithmetic number, because the mean of its divisors is an integer number (196593375664).

Almost surely, 2^{1345306423556} is an apocalyptic number.

It is an amenable number.

1345306423556 is a deficient number, since it is larger than the sum of its proper divisors (1013814084412).

1345306423556 is a wasteful number, since it uses less digits than its factorization.

1345306423556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690609538 (or 690609536 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 1345306423556 in words is "one trillion, three hundred forty-five billion, three hundred six million, four hundred twenty-three thousand, five hundred fifty-six".