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1143452123 = 11837712409
BaseRepresentation
bin100010000100111…
…1011000111011011
32221200121101102122
41010021323013123
54320210431443
6305244051455
740223116442
oct10411730733
92850541378
101143452123
115374a3560
1227ab33b8b
13152b858b8
14abc0dd59
156a5ba968
hex4427b1db

1143452123 has 8 divisors (see below), whose sum is σ = 1247651760. Its totient is φ = 1039294080.

The previous prime is 1143452119. The next prime is 1143452171. The reversal of 1143452123 is 3212543411.

It is a happy number.

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

It is not a de Polignac number, because 1143452123 - 22 = 1143452119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1143452092 and 1143452101.

It is not an unprimeable number, because it can be changed into a prime (1143452423) 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, 85943 + ... + 98351.

It is an arithmetic number, because the mean of its divisors is an integer number (155956470).

Almost surely, 21143452123 is an apocalyptic number.

1143452123 is a deficient number, since it is larger than the sum of its proper divisors (104199637).

1143452123 is a wasteful number, since it uses less digits than its factorization.

1143452123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20797.

The product of its digits is 2880, while the sum is 26.

The square root of 1143452123 is about 33814.9689191045. The cubic root of 1143452123 is about 1045.6973201926.

Adding to 1143452123 its reverse (3212543411), we get a palindrome (4355995534).

The spelling of 1143452123 in words is "one billion, one hundred forty-three million, four hundred fifty-two thousand, one hundred twenty-three".

Divisors: 1 11 8377 12409 92147 136499 103950193 1143452123