23213333100 has 72 divisors (see below), whose sum is σ = 67341453760. Its totient is φ = 6173858880.

The previous prime is 23213333089. The next prime is 23213333147. The reversal of 23213333100 is 133331232.

It is a super-2 number, since 2×23213333100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11619 + ... + 215781.

Almost surely, 2^23213333100 is an apocalyptic number.

23213333100 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 23213333100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33670726880).

23213333100 is an abundant number, since it is smaller than the sum of its proper divisors (44128120660).

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

23213333100 is a wasteful number, since it uses less digits than its factorization.

23213333100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204559 (or 204552 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23213333100 its reverse (133331232), we get a palindrome (23346664332).

The spelling of 23213333100 in words is "twenty-three billion, two hundred thirteen million, three hundred thirty-three thousand, one hundred".