123412120001323 has 4 divisors (see below), whose sum is σ = 123427102663440. Its totient is φ = 123397137339208.

The previous prime is 123412120001221. The next prime is 123412120001363. The reversal of 123412120001323 is 323100021214321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123412120001323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123412120001363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7491318703 + ... + 7491335176.

It is an arithmetic number, because the mean of its divisors is an integer number (30856775665860).

Almost surely, 2^{123412120001323} is an apocalyptic number.

123412120001323 is a deficient number, since it is larger than the sum of its proper divisors (14982662117).

123412120001323 is an equidigital number, since it uses as much as digits as its factorization.

123412120001323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14982662116.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123412120001323 its reverse (323100021214321), we get a palindrome (446512141215644).

The spelling of 123412120001323 in words is "one hundred twenty-three trillion, four hundred twelve billion, one hundred twenty million, one thousand, three hundred twenty-three".