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23133223229 = 171360777837
BaseRepresentation
bin10101100010110110…
…001111100100111101
32012201012020111111112
4111202312033210331
5334334101120404
614343253131405
71446156103334
oct254266174475
965635214445
1023133223229
1198a1113006
124597329b65
132248865a8c
14119648ad1b
15905d7856e
hex562d8f93d

23133223229 has 4 divisors (see below), whose sum is σ = 24494001084. Its totient is φ = 21772445376.

The previous prime is 23133223151. The next prime is 23133223249. The reversal of 23133223229 is 92232233132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6362455225 + 16770768004 = 79765^2 + 129502^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133223229 - 216 = 23133157693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23133223195 and 23133223204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23133223249) 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, 680388902 + ... + 680388935.

It is an arithmetic number, because the mean of its divisors is an integer number (6123500271).

Almost surely, 223133223229 is an apocalyptic number.

It is an amenable number.

23133223229 is a deficient number, since it is larger than the sum of its proper divisors (1360777855).

23133223229 is a wasteful number, since it uses less digits than its factorization.

23133223229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360777854.

The product of its digits is 23328, while the sum is 32.

The spelling of 23133223229 in words is "twenty-three billion, one hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty-nine".

Divisors: 1 17 1360777837 23133223229