10001223624 has 128 divisors (see below), whose sum is σ = 30899957760. Its totient is φ = 2632147968.

The previous prime is 10001223613. The next prime is 10001223637. The reversal of 10001223624 is 42632210001.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 10001223624.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96979 + ... + 171485.

It is an arithmetic number, because the mean of its divisors is an integer number (241405920).

Almost surely, 2^10001223624 is an apocalyptic number.

10001223624 is a gapful number since it is divisible by the number (14) 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 10001223624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15449978880).

10001223624 is an abundant number, since it is smaller than the sum of its proper divisors (20898734136).

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

10001223624 is a wasteful number, since it uses less digits than its factorization.

10001223624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74587 (or 74583 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10001223624 its reverse (42632210001), we get a palindrome (52633433625).

The spelling of 10001223624 in words is "ten billion, one million, two hundred twenty-three thousand, six hundred twenty-four".