123423330223145 has 8 divisors (see below), whose sum is σ = 148127922048456. Its totient is φ = 98725380324736.

The previous prime is 123423330223099. The next prime is 123423330223231. The reversal of 123423330223145 is 541322033324321.

It can be written as a sum of positive squares in 4 ways, for example, as 858326278681 + 122565003944464 = 926459^2 + 11070908^2 .

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 123423330223145 - 2²⁸ = 123423061787689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123423330223099 and 123423330223108.

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, 1660440842 + ... + 1660515171.

It is an arithmetic number, because the mean of its divisors is an integer number (18515990256057).

Almost surely, 2^{123423330223145} is an apocalyptic number.

It is an amenable number.

123423330223145 is a deficient number, since it is larger than the sum of its proper divisors (24704591825311).

123423330223145 is an equidigital number, since it uses as much as digits as its factorization.

123423330223145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320963451.

The product of its (nonzero) digits is 311040, while the sum is 38.

Adding to 123423330223145 its reverse (541322033324321), we get a palindrome (664745363547466).

The spelling of 123423330223145 in words is "one hundred twenty-three trillion, four hundred twenty-three billion, three hundred thirty million, two hundred twenty-three thousand, one hundred forty-five".