23403442100 has 36 divisors (see below), whose sum is σ = 50811333804. Its totient is φ = 9356609280.

The previous prime is 23403442063. The next prime is 23403442141. The reversal of 23403442100 is 124430432.

It can be written as a sum of positive squares in 6 ways, for example, as 10506660004 + 12896782096 = 102502^2 + 113564^2 .

It is a super-2 number, since 2×23403442100² (a number of 22 digits) 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 11 ways as a sum of consecutive naturals, for example, 141104 + ... + 258296.

It is an arithmetic number, because the mean of its divisors is an integer number (1411425939).

Almost surely, 2^23403442100 is an apocalyptic number.

23403442100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23403442100 is an abundant number, since it is smaller than the sum of its proper divisors (27407891704).

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

23403442100 is a wasteful number, since it uses less digits than its factorization.

23403442100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119204 (or 119197 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23403442100 its reverse (124430432), we get a palindrome (23527872532).

The spelling of 23403442100 in words is "twenty-three billion, four hundred three million, four hundred forty-two thousand, one hundred".