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10012320223 = 88311338981
BaseRepresentation
bin10010101001100011…
…11110000111011111
3221211202221120021221
421110301332013133
5131001123221343
64333302434211
7503054213653
oct112461760737
927752846257
1010012320223
11427876a414
121b35132967
13c37412149
146ada4ca63
153d8ee35ed
hex254c7e1df

10012320223 has 4 divisors (see below), whose sum is σ = 10023660088. Its totient is φ = 10000980360.

The previous prime is 10012320211. The next prime is 10012320271. The reversal of 10012320223 is 32202321001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202321001 = 68347148347.

It is a cyclic number.

It is not a de Polignac number, because 10012320223 - 25 = 10012320191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10012320197 and 10012320206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012320203) 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, 5668608 + ... + 5670373.

It is an arithmetic number, because the mean of its divisors is an integer number (2505915022).

Almost surely, 210012320223 is an apocalyptic number.

10012320223 is a deficient number, since it is larger than the sum of its proper divisors (11339865).

10012320223 is an equidigital number, since it uses as much as digits as its factorization.

10012320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11339864.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10012320223 its reverse (32202321001), we get a palindrome (42214641224).

The spelling of 10012320223 in words is "ten billion, twelve million, three hundred twenty thousand, two hundred twenty-three".

Divisors: 1 883 11338981 10012320223