123405244003345 has 8 divisors (see below), whose sum is σ = 149870465006976. Its totient is φ = 97534747067376.

The previous prime is 123405244003333. The next prime is 123405244003369. The reversal of 123405244003345 is 543300442504321.

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 123405244003345 - 2¹⁹ = 123405243479057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123405244003298 and 123405244003307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148681016457 + ... + 148681017286.

It is an arithmetic number, because the mean of its divisors is an integer number (18733808125872).

Almost surely, 2^{123405244003345} is an apocalyptic number.

It is an amenable number.

123405244003345 is a deficient number, since it is larger than the sum of its proper divisors (26465221003631).

123405244003345 is an equidigital number, since it uses as much as digits as its factorization.

123405244003345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297362033831.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 123405244003345 its reverse (543300442504321), we get a palindrome (666705686507666).

The spelling of 123405244003345 in words is "one hundred twenty-three trillion, four hundred five billion, two hundred forty-four million, three thousand, three hundred forty-five".