123340104453 has 16 divisors (see below), whose sum is σ = 166098200256. Its totient is φ = 81404534400.

The previous prime is 123340104449. The next prime is 123340104463. The reversal of 123340104453 is 354401043321.

It is not a de Polignac number, because 123340104453 - 2² = 123340104449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123340104453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123340104413) 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, 5877726 + ... + 5898672.

It is an arithmetic number, because the mean of its divisors is an integer number (10381137516).

Almost surely, 2^123340104453 is an apocalyptic number.

It is an amenable number.

123340104453 is a deficient number, since it is larger than the sum of its proper divisors (42758095803).

123340104453 is a wasteful number, since it uses less digits than its factorization.

123340104453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40484.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123340104453 its reverse (354401043321), we get a palindrome (477741147774).

The spelling of 123340104453 in words is "one hundred twenty-three billion, three hundred forty million, one hundred four thousand, four hundred fifty-three".