23144220402000 has 80 divisors (see below), whose sum is σ = 74616966595392. Its totient is φ = 6171792105600.

The previous prime is 23144220401989. The next prime is 23144220402011. The reversal of 23144220402000 is 20402244132.

It is an interprime number because it is at equal distance from previous prime (23144220401989) and next prime (23144220402011).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 1928679034 + ... + 1928691033.

Almost surely, 2^{23144220402000} is an apocalyptic number.

23144220402000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144220402000 is an abundant number, since it is smaller than the sum of its proper divisors (51472746193392).

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

23144220402000 is a wasteful number, since it uses less digits than its factorization.

23144220402000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857370093 (or 3857370077 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 23144220402000 its reverse (20402244132), we get a palindrome (23164622646132).

The spelling of 23144220402000 in words is "twenty-three trillion, one hundred forty-four billion, two hundred twenty million, four hundred two thousand".