1144203023431 has 8 divisors (see below), whose sum is σ = 1235435927040. Its totient is φ = 1053429732192.

The previous prime is 1144203023377. The next prime is 1144203023441. The reversal of 1144203023431 is 1343203024411.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1144203023431 - 2¹³ = 1144203015239 is a prime.

It is a super-2 number, since 2×1144203023431² (a number of 25 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 1144203023431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144203023441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114897916 + ... + 114907873.

It is an arithmetic number, because the mean of its divisors is an integer number (154429490880).

Almost surely, 2^{1144203023431} is an apocalyptic number.

1144203023431 is a deficient number, since it is larger than the sum of its proper divisors (91232903609).

1144203023431 is a wasteful number, since it uses less digits than its factorization.

1144203023431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229806185.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1144203023431 its reverse (1343203024411), we get a palindrome (2487406047842).

The spelling of 1144203023431 in words is "one trillion, one hundred forty-four billion, two hundred three million, twenty-three thousand, four hundred thirty-one".