23313440000 has 90 divisors (see below), whose sum is σ = 58151549610. Its totient is φ = 9325312000.

The previous prime is 23313439973. The next prime is 23313440027. The reversal of 23313440000 is 4431332.

It is an interprime number because it is at equal distance from previous prime (23313439973) and next prime (23313440027).

It can be written as a sum of positive squares in 5 ways, for example, as 13175366656 + 10138073344 = 114784^2 + 100688^2 .

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

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 9 ways as a sum of consecutive naturals, for example, 87146 + ... + 232854.

It is an arithmetic number, because the mean of its divisors is an integer number (646128329).

Almost surely, 2^23313440000 is an apocalyptic number.

23313440000 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 23313440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29075774805).

23313440000 is an abundant number, since it is smaller than the sum of its proper divisors (34838109610).

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

23313440000 is an frugal number, since it uses more digits than its factorization.

23313440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145745 (or 145716 counting only the distinct ones).

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

Adding to 23313440000 its reverse (4431332), we get a palindrome (23317871332).

The spelling of 23313440000 in words is "twenty-three billion, three hundred thirteen million, four hundred forty thousand".