100434023405 has 16 divisors (see below), whose sum is σ = 126411736320. Its totient is φ = 76512353472.

The previous prime is 100434023399. The next prime is 100434023411. The reversal of 100434023405 is 504320434001.

It is an interprime number because it is at equal distance from previous prime (100434023399) and next prime (100434023411).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100434023405 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5766695 + ... + 5784084.

It is an arithmetic number, because the mean of its divisors is an integer number (7900733520).

Almost surely, 2^100434023405 is an apocalyptic number.

It is an amenable number.

100434023405 is a deficient number, since it is larger than the sum of its proper divisors (25977712915).

100434023405 is a wasteful number, since it uses less digits than its factorization.

100434023405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11550868.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 100434023405 its reverse (504320434001), we get a palindrome (604754457406).

The spelling of 100434023405 in words is "one hundred billion, four hundred thirty-four million, twenty-three thousand, four hundred five".