100345055403 has 8 divisors (see below), whose sum is σ = 133808360400. Its totient is φ = 66889227008.

The previous prime is 100345055399. The next prime is 100345055407. The reversal of 100345055403 is 304550543001.

It is an interprime number because it is at equal distance from previous prime (100345055399) and next prime (100345055407).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100345055403 - 2² = 100345055399 is a prime.

It is a super-2 number, since 2×100345055403² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100345055407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837758 + ... + 1891571.

It is an arithmetic number, because the mean of its divisors is an integer number (16726045050).

Almost surely, 2^100345055403 is an apocalyptic number.

100345055403 is a deficient number, since it is larger than the sum of its proper divisors (33463304997).

100345055403 is an equidigital number, since it uses as much as digits as its factorization.

100345055403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738301.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 100345055403 its reverse (304550543001), we get a palindrome (404895598404).

The spelling of 100345055403 in words is "one hundred billion, three hundred forty-five million, fifty-five thousand, four hundred three".