100098623 has 4 divisors (see below), whose sum is σ = 100168968. Its totient is φ = 100028280.

The previous prime is 100098619. The next prime is 100098629. The reversal of 100098623 is 326890001.

100098623 is nontrivially palindromic in base 15.

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

It is a cyclic number.

It is not a de Polignac number, because 100098623 - 2² = 100098619 is a prime.

It is a super-2 number, since 2×100098623² = 20039468652992258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100098629) 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, 32993 + ... + 35898.

It is an arithmetic number, because the mean of its divisors is an integer number (25042242).

Almost surely, 2^100098623 is an apocalyptic number.

100098623 is a deficient number, since it is larger than the sum of its proper divisors (70345).

100098623 is an equidigital number, since it uses as much as digits as its factorization.

100098623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70344.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 100098623 is about 10004.9299347871. The cubic root of 100098623 is about 464.3114223646.

The spelling of 100098623 in words is "one hundred million, ninety-eight thousand, six hundred twenty-three".