23100403340 has 144 divisors (see below), whose sum is σ = 57052138752. Its totient is φ = 7695722112.

The previous prime is 23100403289. The next prime is 23100403343. The reversal of 23100403340 is 4330400132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (23100403343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52145159 + ... + 52145601.

It is an arithmetic number, because the mean of its divisors is an integer number (396195408).

Almost surely, 2^23100403340 is an apocalyptic number.

23100403340 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 23100403340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28526069376).

23100403340 is an abundant number, since it is smaller than the sum of its proper divisors (33951735412).

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

23100403340 is a wasteful number, since it uses less digits than its factorization.

23100403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23100403340 its reverse (4330400132), we get a palindrome (27430803472).

The spelling of 23100403340 in words is "twenty-three billion, one hundred million, four hundred three thousand, three hundred forty".