100421415343 has 4 divisors (see below), whose sum is σ = 106328557440. Its totient is φ = 94514273248.

The previous prime is 100421415337. The next prime is 100421415349. The reversal of 100421415343 is 343514124001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (100421415337) and next prime (100421415349).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100421415343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100421415349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2953571023 + ... + 2953571056.

It is an arithmetic number, because the mean of its divisors is an integer number (26582139360).

Almost surely, 2^100421415343 is an apocalyptic number.

100421415343 is a deficient number, since it is larger than the sum of its proper divisors (5907142097).

100421415343 is an equidigital number, since it uses as much as digits as its factorization.

100421415343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907142096.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 100421415343 its reverse (343514124001), we get a palindrome (443935539344).

The spelling of 100421415343 in words is "one hundred billion, four hundred twenty-one million, four hundred fifteen thousand, three hundred forty-three".