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23130331233 = 39078500673
BaseRepresentation
bin10101100010101011…
…001101100001100001
32012200222210120102120
4111202223031201201
5334332331044413
614343111134453
71446122400012
oct254253154141
965628716376
1023130331233
11989a518229
124596374429
132248092639
141195d37009
159059a6723
hex562acd861

23130331233 has 8 divisors (see below), whose sum is σ = 30874447968. Its totient is φ = 15403217664.

The previous prime is 23130331181. The next prime is 23130331243. The reversal of 23130331233 is 33213303132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-23130331233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23130331243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4247616 + ... + 4253057.

It is an arithmetic number, because the mean of its divisors is an integer number (3859305996).

Almost surely, 223130331233 is an apocalyptic number.

It is an amenable number.

23130331233 is a deficient number, since it is larger than the sum of its proper divisors (7744116735).

23130331233 is an equidigital number, since it uses as much as digits as its factorization.

23130331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501583.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 23130331233 its reverse (33213303132), we get a palindrome (56343634365).

The spelling of 23130331233 in words is "twenty-three billion, one hundred thirty million, three hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 3 907 2721 8500673 25502019 7710110411 23130331233