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230123232133 = 1811127069703
BaseRepresentation
bin1101011001010001101…
…0011101101110000101
3210222222200110102120121
43112110122131232011
512232243021412013
6253414523301541
722424445125134
oct3262432355605
9728880412517
10230123232133
118965a624373
123872397a8b1
13189150a03a2
14b1d0a4791b
155ebcce158d
hex359469db85

230123232133 has 4 divisors (see below), whose sum is σ = 230250303648. Its totient is φ = 229996160620.

The previous prime is 230123232127. The next prime is 230123232149. The reversal of 230123232133 is 331232321032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-230123232133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230123232098 and 230123232107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230123232113) 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, 63533041 + ... + 63536662.

It is an arithmetic number, because the mean of its divisors is an integer number (57562575912).

Almost surely, 2230123232133 is an apocalyptic number.

It is an amenable number.

230123232133 is a deficient number, since it is larger than the sum of its proper divisors (127071515).

230123232133 is a wasteful number, since it uses less digits than its factorization.

230123232133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127071514.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 230123232133 its reverse (331232321032), we get a palindrome (561355553165).

The spelling of 230123232133 in words is "two hundred thirty billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 1811 127069703 230123232133