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1223423113 = 11472366389
BaseRepresentation
bin100100011101011…
…1111010010001001
310011021002100000011
41020322333102021
510001144014423
6321222111521
742213632143
oct11072772211
93137070004
101223423113
11578654990
122a187b5a1
13166605a03
14b86a9c93
1572615b0d
hex48ebf489

1223423113 has 8 divisors (see below), whose sum is σ = 1363040640. Its totient is φ = 1088538480.

The previous prime is 1223423099. The next prime is 1223423147. The reversal of 1223423113 is 3113243221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1223423113 is a prime.

It is a super-2 number, since 2×12234231132 = 2993528226845221538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223423183) 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, 1182678 + ... + 1183711.

It is an arithmetic number, because the mean of its divisors is an integer number (170380080).

Almost surely, 21223423113 is an apocalyptic number.

It is an amenable number.

1223423113 is a deficient number, since it is larger than the sum of its proper divisors (139617527).

1223423113 is a wasteful number, since it uses less digits than its factorization.

1223423113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366447.

The product of its digits is 864, while the sum is 22.

The square root of 1223423113 is about 34977.4657887046. The cubic root of 1223423113 is about 1069.5281679556.

Adding to 1223423113 its reverse (3113243221), we get a palindrome (4336666334).

The spelling of 1223423113 in words is "one billion, two hundred twenty-three million, four hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 11 47 517 2366389 26030279 111220283 1223423113