23144021203445 has 8 divisors (see below), whose sum is σ = 27775931730360. Its totient is φ = 18513146105280.

The previous prime is 23144021203417. The next prime is 23144021203469. The reversal of 23144021203445 is 54430212044132.

It can be written as a sum of positive squares in 4 ways, for example, as 6757168804 + 23137264034641 = 82202^2 + 4810121^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23144021203445 - 2¹² = 23144021199349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258808010 + ... + 258897419.

It is an arithmetic number, because the mean of its divisors is an integer number (3471991466295).

Almost surely, 2^{23144021203445} is an apocalyptic number.

It is an amenable number.

23144021203445 is a deficient number, since it is larger than the sum of its proper divisors (4631910526915).

23144021203445 is an equidigital number, since it uses as much as digits as its factorization.

23144021203445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517714375.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 23144021203445 its reverse (54430212044132), we get a palindrome (77574233247577).

The spelling of 23144021203445 in words is "twenty-three trillion, one hundred forty-four billion, twenty-one million, two hundred three thousand, four hundred forty-five".