23434043403123 has 16 divisors (see below), whose sum is σ = 35524475789440. Its totient is φ = 15259377098952.

The previous prime is 23434043403109. The next prime is 23434043403139. The reversal of 23434043403123 is 32130434043432.

23434043403123 is a `hidden beast` number, since 23 + 43 + 40 + 434 + 0 + 3 + 123 = 666.

It is not a de Polignac number, because 23434043403123 - 2⁵ = 23434043403091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23434043403523) 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, 10092179461 + ... + 10092181782.

It is an arithmetic number, because the mean of its divisors is an integer number (2220279736840).

Almost surely, 2^{23434043403123} is an apocalyptic number.

23434043403123 is a deficient number, since it is larger than the sum of its proper divisors (12090432386317).

23434043403123 is a wasteful number, since it uses less digits than its factorization.

23434043403123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20184361295 (or 20184361289 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 23434043403123 its reverse (32130434043432), we get a palindrome (55564477446555).

The spelling of 23434043403123 in words is "twenty-three trillion, four hundred thirty-four billion, forty-three million, four hundred three thousand, one hundred twenty-three".