1321415336423 has 48 divisors (see below), whose sum is σ = 1678737342240. Its totient is φ = 1030787057664.

The previous prime is 1321415336401. The next prime is 1321415336471. The reversal of 1321415336423 is 3246335141231.

It is not a de Polignac number, because 1321415336423 - 2²⁴ = 1321398559207 is a prime.

It is a super-2 number, since 2×1321415336423² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321415366423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180838736 + ... + 180846042.

It is an arithmetic number, because the mean of its divisors is an integer number (34973694630).

Almost surely, 2^{1321415336423} is an apocalyptic number.

1321415336423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1321415336423 is a deficient number, since it is larger than the sum of its proper divisors (357322005817).

1321415336423 is a wasteful number, since it uses less digits than its factorization.

1321415336423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296 (or 11289 counting only the distinct ones).

The product of its digits is 155520, while the sum is 38.

The spelling of 1321415336423 in words is "one trillion, three hundred twenty-one billion, four hundred fifteen million, three hundred thirty-six thousand, four hundred twenty-three".