23210402100 has 144 divisors (see below), whose sum is σ = 67726790208. Its totient is φ = 6137026560.

The previous prime is 23210402087. The next prime is 23210402113. The reversal of 23210402100 is 120401232.

It is an interprime number because it is at equal distance from previous prime (23210402087) and next prime (23210402113).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23210402100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25589847 + ... + 25590753.

It is an arithmetic number, because the mean of its divisors is an integer number (470324932).

Almost surely, 2^23210402100 is an apocalyptic number.

23210402100 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 23210402100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33863395104).

23210402100 is an abundant number, since it is smaller than the sum of its proper divisors (44516388108).

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

23210402100 is a wasteful number, since it uses less digits than its factorization.

23210402100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23210402100 its reverse (120401232), we get a palindrome (23330803332).

The spelling of 23210402100 in words is "twenty-three billion, two hundred ten million, four hundred two thousand, one hundred".