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12023414443 = 30119399197
BaseRepresentation
bin10110011001010011…
…01011111010101011
31011000221011201221001
423030221223322223
5144110443230233
65305023255431
7603644223265
oct131451537253
934027151831
1012023414443
11510a9a4257
1223b674a577
131197c72121
14820b94b35
154a584827d
hex2cca6beab

12023414443 has 4 divisors (see below), whose sum is σ = 12023843760. Its totient is φ = 12022985128.

The previous prime is 12023414423. The next prime is 12023414467. The reversal of 12023414443 is 34441432021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34441432021 = 198717333383.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12023414443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023414423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169480 + ... + 229717.

It is an arithmetic number, because the mean of its divisors is an integer number (3005960940).

Almost surely, 212023414443 is an apocalyptic number.

12023414443 is a deficient number, since it is larger than the sum of its proper divisors (429317).

12023414443 is an equidigital number, since it uses as much as digits as its factorization.

12023414443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429316.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12023414443 its reverse (34441432021), we get a palindrome (46464846464).

The spelling of 12023414443 in words is "twelve billion, twenty-three million, four hundred fourteen thousand, four hundred forty-three".

Divisors: 1 30119 399197 12023414443