23444100212131 has 4 divisors (see below), whose sum is σ = 23444130259264. Its totient is φ = 23444070165000.

The previous prime is 23444100212119. The next prime is 23444100212191. The reversal of 23444100212131 is 13121200144432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23444100212131 - 2²⁵ = 23444066657699 is a prime.

It is a super-2 number, since 2×23444100212131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23444100212131.

It is not an unprimeable number, because it can be changed into a prime (23444100212191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13821120 + ... + 15424381.

It is an arithmetic number, because the mean of its divisors is an integer number (5861032564816).

Almost surely, 2^{23444100212131} is an apocalyptic number.

23444100212131 is a deficient number, since it is larger than the sum of its proper divisors (30047133).

23444100212131 is an equidigital number, since it uses as much as digits as its factorization.

23444100212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30047132.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 23444100212131 its reverse (13121200144432), we get a palindrome (36565300356563).

The spelling of 23444100212131 in words is "twenty-three trillion, four hundred forty-four billion, one hundred million, two hundred twelve thousand, one hundred thirty-one".