123151535143 has 8 divisors (see below), whose sum is σ = 151571120288. Its totient is φ = 97438577184.

The previous prime is 123151535141. The next prime is 123151535147. The reversal of 123151535143 is 341535151321.

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

It is not a de Polignac number, because 123151535143 - 2¹ = 123151535141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123151535099 and 123151535108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123151535141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676656696 + ... + 676656877.

It is an arithmetic number, because the mean of its divisors is an integer number (18946390036).

Almost surely, 2^123151535143 is an apocalyptic number.

123151535143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123151535143 is a deficient number, since it is larger than the sum of its proper divisors (28419585145).

123151535143 is a wasteful number, since it uses less digits than its factorization.

123151535143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353313593.

The product of its digits is 27000, while the sum is 34.

Adding to 123151535143 its reverse (341535151321), we get a palindrome (464686686464).

The spelling of 123151535143 in words is "one hundred twenty-three billion, one hundred fifty-one million, five hundred thirty-five thousand, one hundred forty-three".