123230545355 has 16 divisors (see below), whose sum is σ = 149179795104. Its totient is φ = 97719367680.

The previous prime is 123230545351. The next prime is 123230545367. The reversal of 123230545355 is 553545032321.

It is not a de Polignac number, because 123230545355 - 2² = 123230545351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123230545351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36800 + ... + 497810.

It is an arithmetic number, because the mean of its divisors is an integer number (9323737194).

Almost surely, 2^123230545355 is an apocalyptic number.

123230545355 is a deficient number, since it is larger than the sum of its proper divisors (25949249749).

123230545355 is a wasteful number, since it uses less digits than its factorization.

123230545355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461486.

The product of its (nonzero) digits is 270000, while the sum is 38.

Adding to 123230545355 its reverse (553545032321), we get a palindrome (676775577676).

The spelling of 123230545355 in words is "one hundred twenty-three billion, two hundred thirty million, five hundred forty-five thousand, three hundred fifty-five".