2103423100 has 18 divisors (see below), whose sum is σ = 4564428344. Its totient is φ = 841369200.

The previous prime is 2103423089. The next prime is 2103423121. The reversal of 2103423100 is 13243012.

It is a happy number.

It is a super-2 number, since 2×2103423100² = 8848777475227220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10517016 + ... + 10517215.

Almost surely, 2^2103423100 is an apocalyptic number.

2103423100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103423100 is an abundant number, since it is smaller than the sum of its proper divisors (2461005244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103423100 is a wasteful number, since it uses less digits than its factorization.

2103423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21034245 (or 21034238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2103423100 is about 45863.0908247580. The cubic root of 2103423100 is about 1281.2745889392.

Adding to 2103423100 its reverse (13243012), we get a palindrome (2116666112).

The spelling of 2103423100 in words is "two billion, one hundred three million, four hundred twenty-three thousand, one hundred".