1144323430 has 32 divisors (see below), whose sum is σ = 2074849920. Its totient is φ = 454394880.

The previous prime is 1144323421. The next prime is 1144323437. The reversal of 1144323430 is 343234411.

It is a super-2 number, since 2×1144323430² = 2618952224893929800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144323395 and 1144323404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144323437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100851 + ... + 1101889.

It is an arithmetic number, because the mean of its divisors is an integer number (64839060).

Almost surely, 2^1144323430 is an apocalyptic number.

1144323430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144323430 is a deficient number, since it is larger than the sum of its proper divisors (930526490).

1144323430 is a wasteful number, since it uses less digits than its factorization.

1144323430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1144323430 is about 33827.8499168954. The cubic root of 1144323430 is about 1045.9628588045.

Adding to 1144323430 its reverse (343234411), we get a palindrome (1487557841).

The spelling of 1144323430 in words is "one billion, one hundred forty-four million, three hundred twenty-three thousand, four hundred thirty".