123255410433434 has 8 divisors (see below), whose sum is σ = 184886037461268. Its totient is φ = 61626731279680.

The previous prime is 123255410433367. The next prime is 123255410433437. The reversal of 123255410433434 is 434334014552321.

It can be written as a sum of positive squares in 2 ways, for example, as 120519843291409 + 2735567142025 = 10978153^2 + 1653955^2 .

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

It is a super-2 number, since 2×123255410433434² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123255410433437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486810317 + ... + 487063440.

Almost surely, 2^{123255410433434} is an apocalyptic number.

123255410433434 is a deficient number, since it is larger than the sum of its proper divisors (61630627027834).

123255410433434 is an equidigital number, since it uses as much as digits as its factorization.

123255410433434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973937040.

The product of its (nonzero) digits is 2073600, while the sum is 44.

Adding to 123255410433434 its reverse (434334014552321), we get a palindrome (557589424985755).

The spelling of 123255410433434 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, four hundred ten million, four hundred thirty-three thousand, four hundred thirty-four".