100023130023220 has 192 divisors, whose sum is σ = 236434050478080. Its totient is φ = 35367633303552.

The previous prime is 100023130023199. The next prime is 100023130023227. The reversal of 100023130023220 is 22320031320001.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100023130023227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59485564 + ... + 61143916.

It is an arithmetic number, because the mean of its divisors is an integer number (1231427346240).

Almost surely, 2^{100023130023220} is an apocalyptic number.

100023130023220 is a gapful number since it is divisible by the number (10) 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 100023130023220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118217025239040).

100023130023220 is an abundant number, since it is smaller than the sum of its proper divisors (136410920454860).

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

100023130023220 is a wasteful number, since it uses less digits than its factorization.

100023130023220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658574 (or 1658572 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 100023130023220 its reverse (22320031320001), we get a palindrome (122343161343221).

The spelling of 100023130023220 in words is "one hundred trillion, twenty-three billion, one hundred thirty million, twenty-three thousand, two hundred twenty".