2100003423 has 16 divisors (see below), whose sum is σ = 3245078016. Its totient is φ = 1183099680.

The previous prime is 2100003397. The next prime is 2100003527. The reversal of 2100003423 is 3243000012.

It is not a de Polignac number, because 2100003423 - 2⁵ = 2100003391 is a prime.

It is a super-2 number, since 2×2100003423² = 8820028753223433858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100003623) 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, 702736 + ... + 705717.

It is an arithmetic number, because the mean of its divisors is an integer number (202817376).

Almost surely, 2^2100003423 is an apocalyptic number.

2100003423 is a deficient number, since it is larger than the sum of its proper divisors (1145074593).

2100003423 is a wasteful number, since it uses less digits than its factorization.

2100003423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408534.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2100003423 is about 45825.7942975351. The cubic root of 2100003423 is about 1280.5798607685.

Adding to 2100003423 its reverse (3243000012), we get a palindrome (5343003435).

The spelling of 2100003423 in words is "two billion, one hundred million, three thousand, four hundred twenty-three".