123243500403404 has 12 divisors (see below), whose sum is σ = 217770068674704. Its totient is φ = 61023480782064.

The previous prime is 123243500403371. The next prime is 123243500403451. The reversal of 123243500403404 is 404304005342321.

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, 149567354447 + ... + 149567355270.

It is an arithmetic number, because the mean of its divisors is an integer number (18147505722892).

Almost surely, 2^{123243500403404} is an apocalyptic number.

It is an amenable number.

123243500403404 is a deficient number, since it is larger than the sum of its proper divisors (94526568271300).

123243500403404 is a wasteful number, since it uses less digits than its factorization.

123243500403404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299134709824 (or 299134709822 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 123243500403404 its reverse (404304005342321), we get a palindrome (527547505745725).

The spelling of 123243500403404 in words is "one hundred twenty-three trillion, two hundred forty-three billion, five hundred million, four hundred three thousand, four hundred four".