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1113231023 = 63111231571
BaseRepresentation
bin100001001011010…
…1000111010101111
32212120201222212122
41002112220322233
54234441343043
6302244223155
736405210332
oct10226507257
92776658778
101113231023
11521431a43
1227099aabb
131498340a8
14a7bc4619
1567aeb368
hex425a8eaf

1113231023 has 8 divisors (see below), whose sum is σ = 1116698496. Its totient is φ = 1109770200.

The previous prime is 1113231019. The next prime is 1113231047. The reversal of 1113231023 is 3201323111.

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 1113231023 - 22 = 1113231019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113230992 and 1113231010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113231013) 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, 707828 + ... + 709398.

It is an arithmetic number, because the mean of its divisors is an integer number (139587312).

Almost surely, 21113231023 is an apocalyptic number.

1113231023 is a deficient number, since it is larger than the sum of its proper divisors (3467473).

1113231023 is a wasteful number, since it uses less digits than its factorization.

1113231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1113231023 is about 33365.1168587793. The cubic root of 1113231023 is about 1036.4024560883.

Adding to 1113231023 its reverse (3201323111), we get a palindrome (4314554134).

The spelling of 1113231023 in words is "one billion, one hundred thirteen million, two hundred thirty-one thousand, twenty-three".

Divisors: 1 631 1123 1571 708613 991301 1764233 1113231023