123155054512353 has 24 divisors (see below), whose sum is σ = 182028860924768. Its totient is φ = 80193444835392.

The previous prime is 123155054512351. The next prime is 123155054512363. The reversal of 123155054512353 is 353215450551321.

123155054512353 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 5 + 50 + 54 + 512 + 35 + 3 = 666.

It is not a de Polignac number, because 123155054512353 - 2¹ = 123155054512351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123155054512299 and 123155054512308.

It is not an unprimeable number, because it can be changed into a prime (123155054512351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60570426 + ... + 62570652.

Almost surely, 2^{123155054512353} is an apocalyptic number.

It is an amenable number.

123155054512353 is a deficient number, since it is larger than the sum of its proper divisors (58873806412415).

123155054512353 is a wasteful number, since it uses less digits than its factorization.

123155054512353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159373 (or 2159370 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 123155054512353 in words is "one hundred twenty-three trillion, one hundred fifty-five billion, fifty-four million, five hundred twelve thousand, three hundred fifty-three".