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1144423223 = 53101213791
BaseRepresentation
bin100010000110110…
…1000001100110111
32221202102201112022
41010031220030313
54320433020343
6305320543355
740234302566
oct10415501467
92852381468
101144423223
11537aa7119
1227b321b5b
13153135908
14abdc3bdd
156a70d568
hex44368337

1144423223 has 8 divisors (see below), whose sum is σ = 1177566336. Its totient is φ = 1111708000.

The previous prime is 1144423183. The next prime is 1144423229. The reversal of 1144423223 is 3223244411.

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 1144423223 - 28 = 1144422967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144423192 and 1144423201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144423229) 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, 101543 + ... + 112248.

It is an arithmetic number, because the mean of its divisors is an integer number (147195792).

Almost surely, 21144423223 is an apocalyptic number.

1144423223 is a deficient number, since it is larger than the sum of its proper divisors (33143113).

1144423223 is a wasteful number, since it uses less digits than its factorization.

1144423223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213945.

The product of its digits is 4608, while the sum is 26.

The square root of 1144423223 is about 33829.3248971953. The cubic root of 1144423223 is about 1045.9932630110.

Adding to 1144423223 its reverse (3223244411), we get a palindrome (4367667634).

The spelling of 1144423223 in words is "one billion, one hundred forty-four million, four hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 53 101 5353 213791 11330923 21592891 1144423223