123344551135 has 24 divisors (see below), whose sum is σ = 161080552800. Its totient is φ = 90627368832.

The previous prime is 123344551123. The next prime is 123344551151. The reversal of 123344551135 is 531155443321.

It is not a de Polignac number, because 123344551135 - 2⁵ = 123344551103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123344551094 and 123344551103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198604 + ... + 534913.

It is an arithmetic number, because the mean of its divisors is an integer number (6711689700).

Almost surely, 2^123344551135 is an apocalyptic number.

123344551135 is a deficient number, since it is larger than the sum of its proper divisors (37736001665).

123344551135 is a wasteful number, since it uses less digits than its factorization.

123344551135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733747 (or 733734 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

Adding to 123344551135 its reverse (531155443321), we get a palindrome (654499994456).

The spelling of 123344551135 in words is "one hundred twenty-three billion, three hundred forty-four million, five hundred fifty-one thousand, one hundred thirty-five".