123153315405043 has 24 divisors (see below), whose sum is σ = 158478283766880. Its totient is φ = 93623046211200.

The previous prime is 123153315405019. The next prime is 123153315405061. The reversal of 123153315405043 is 340504513351321.

It is not a de Polignac number, because 123153315405043 - 2⁹ = 123153315404531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123153315404987 and 123153315405005.

It is not an unprimeable number, because it can be changed into a prime (123153315405943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1773129028 + ... + 1773198481.

It is an arithmetic number, because the mean of its divisors is an integer number (6603261823620).

Almost surely, 2^{123153315405043} is an apocalyptic number.

123153315405043 is a deficient number, since it is larger than the sum of its proper divisors (35324968361837).

123153315405043 is a wasteful number, since it uses less digits than its factorization.

123153315405043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546327579 (or 3546327568 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

Adding to 123153315405043 its reverse (340504513351321), we get a palindrome (463657828756364).

The spelling of 123153315405043 in words is "one hundred twenty-three trillion, one hundred fifty-three billion, three hundred fifteen million, four hundred five thousand, forty-three".