123235210144445 has 32 divisors (see below), whose sum is σ = 170691710441472. Its totient is φ = 83666375433792.

The previous prime is 123235210144433. The next prime is 123235210144463. The reversal of 123235210144445 is 544441012532321.

It is a cyclic number.

It is not a de Polignac number, because 123235210144445 - 2³⁴ = 123218030275261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39566627 + ... + 42567456.

It is an arithmetic number, because the mean of its divisors is an integer number (5334115951296).

Almost surely, 2^{123235210144445} is an apocalyptic number.

It is an amenable number.

123235210144445 is a deficient number, since it is larger than the sum of its proper divisors (47456500297027).

123235210144445 is a wasteful number, since it uses less digits than its factorization.

123235210144445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82134521.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 123235210144445 its reverse (544441012532321), we get a palindrome (667676222676766).

The spelling of 123235210144445 in words is "one hundred twenty-three trillion, two hundred thirty-five billion, two hundred ten million, one hundred forty-four thousand, four hundred forty-five".