123111424255 has 8 divisors (see below), whose sum is σ = 155509167600. Its totient is φ = 93305500416.

The previous prime is 123111424253. The next prime is 123111424259. The reversal of 123111424255 is 552424111321.

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 123111424255 - 2¹ = 123111424253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123111424253) 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, 647954770 + ... + 647954959.

It is an arithmetic number, because the mean of its divisors is an integer number (19438645950).

Almost surely, 2^123111424255 is an apocalyptic number.

123111424255 is a deficient number, since it is larger than the sum of its proper divisors (32397743345).

123111424255 is a wasteful number, since it uses less digits than its factorization.

123111424255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295909753.

The product of its digits is 9600, while the sum is 31.

Adding to 123111424255 its reverse (552424111321), we get a palindrome (675535535576).

The spelling of 123111424255 in words is "one hundred twenty-three billion, one hundred eleven million, four hundred twenty-four thousand, two hundred fifty-five".