23102100 has 216 divisors, whose sum is σ = 87563840. Its totient is φ = 4976640.

The previous prime is 23102087. The next prime is 23102111. The reversal of 23102100 is 120132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 119604 + ... + 119796.

Almost surely, 2^23102100 is an apocalyptic number.

23102100 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 23102100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43781920).

23102100 is an abundant number, since it is smaller than the sum of its proper divisors (64461740).

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

23102100 is a wasteful number, since it uses less digits than its factorization.

23102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 23102100 is about 4806.4643970386. The cubic root of 23102100 is about 284.8068867217.

Adding to 23102100 its reverse (120132), we get a palindrome (23222232).

The spelling of 23102100 in words is "twenty-three million, one hundred two thousand, one hundred".