1345828352123 has 8 divisors (see below), whose sum is σ = 1346445536256. Its totient is φ = 1345211317800.

The previous prime is 1345828352051. The next prime is 1345828352189. The reversal of 1345828352123 is 3212538285431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1345828352123 - 2¹⁶ = 1345828286587 is a prime.

It is a super-2 number, since 2×1345828352123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345828352423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20407040 + ... + 20472882.

It is an arithmetic number, because the mean of its divisors is an integer number (168305692032).

Almost surely, 2^{1345828352123} is an apocalyptic number.

1345828352123 is a deficient number, since it is larger than the sum of its proper divisors (617184133).

1345828352123 is an equidigital number, since it uses as much as digits as its factorization.

1345828352123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74905.

The product of its digits is 1382400, while the sum is 47.

The spelling of 1345828352123 in words is "one trillion, three hundred forty-five billion, eight hundred twenty-eight million, three hundred fifty-two thousand, one hundred twenty-three".