23144200554431 has 4 divisors (see below), whose sum is σ = 25248218786664. Its totient is φ = 21040182322200.

The previous prime is 23144200554413. The next prime is 23144200554473. The reversal of 23144200554431 is 13445500244132.

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 23144200554431 - 2¹⁸ = 23144200292287 is a prime.

It is a super-2 number, since 2×23144200554431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144200554031) 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, 1052009116100 + ... + 1052009116121.

It is an arithmetic number, because the mean of its divisors is an integer number (6312054696666).

Almost surely, 2^{23144200554431} is an apocalyptic number.

23144200554431 is a deficient number, since it is larger than the sum of its proper divisors (2104018232233).

23144200554431 is a wasteful number, since it uses less digits than its factorization.

23144200554431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104018232232.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 23144200554431 its reverse (13445500244132), we get a palindrome (36589700798563).

The spelling of 23144200554431 in words is "twenty-three trillion, one hundred forty-four billion, two hundred million, five hundred fifty-four thousand, four hundred thirty-one".