123003340405534 has 8 divisors (see below), whose sum is σ = 184569908615640. Its totient is φ = 61480037533656.

The previous prime is 123003340405529. The next prime is 123003340405567. The reversal of 123003340405534 is 435504043300321.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 123003340405493 and 123003340405502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10816327449 + ... + 10816338820.

It is an arithmetic number, because the mean of its divisors is an integer number (23071238576955).

Almost surely, 2^{123003340405534} is an apocalyptic number.

123003340405534 is a deficient number, since it is larger than the sum of its proper divisors (61566568210106).

123003340405534 is a wasteful number, since it uses less digits than its factorization.

123003340405534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21632669114.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 123003340405534 its reverse (435504043300321), we get a palindrome (558507383705855).

The spelling of 123003340405534 in words is "one hundred twenty-three trillion, three billion, three hundred forty million, four hundred five thousand, five hundred thirty-four".