23430100 has 72 divisors (see below), whose sum is σ = 54246528. Its totient is φ = 8764800.

The previous prime is 23430091. The next prime is 23430107. The reversal of 23430100 is 103432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140217 + ... + 140383.

It is an arithmetic number, because the mean of its divisors is an integer number (753424).

Almost surely, 2^23430100 is an apocalyptic number.

23430100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23430100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27123264).

23430100 is an abundant number, since it is smaller than the sum of its proper divisors (30816428).

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

23430100 is a wasteful number, since it uses less digits than its factorization.

23430100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 23430100 is about 4840.4648537098. The cubic root of 23430100 is about 286.1484387643.

Adding to 23430100 its reverse (103432), we get a palindrome (23533532).

The spelling of 23430100 in words is "twenty-three million, four hundred thirty thousand, one hundred".