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13223244323 = 88714907829
BaseRepresentation
bin11000101000010101…
…01011001000100011
31021010112212102002202
430110022223020203
5204040122304243
610024044003415
7645453502502
oct142412531043
937115772082
1013223244323
1156761a41a3
12269053056b
131329707033
148d627c839
15525d4d4b8
hex3142ab223

13223244323 has 4 divisors (see below), whose sum is σ = 13238153040. Its totient is φ = 13208335608.

The previous prime is 13223244319. The next prime is 13223244337. The reversal of 13223244323 is 32344232231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32344232231 = 256211262411.

It is a cyclic number.

It is not a de Polignac number, because 13223244323 - 22 = 13223244319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223244343) 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, 7453028 + ... + 7454801.

It is an arithmetic number, because the mean of its divisors is an integer number (3309538260).

Almost surely, 213223244323 is an apocalyptic number.

13223244323 is a deficient number, since it is larger than the sum of its proper divisors (14908717).

13223244323 is an equidigital number, since it uses as much as digits as its factorization.

13223244323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14908716.

The product of its digits is 20736, while the sum is 29.

Adding to 13223244323 its reverse (32344232231), we get a palindrome (45567476554).

The spelling of 13223244323 in words is "thirteen billion, two hundred twenty-three million, two hundred forty-four thousand, three hundred twenty-three".

Divisors: 1 887 14907829 13223244323