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23433088409 = 28038360003
BaseRepresentation
bin10101110100101110…
…001000110110011001
32020111002111020012022
4111310232020312121
5340442332312114
614433124224225
71456456652003
oct256456106631
966432436168
1023433088409
119a35405175
12465b83b075
132295a173b3
1411c4227373
1592235c48e
hex574b88d99

23433088409 has 4 divisors (see below), whose sum is σ = 23441451216. Its totient is φ = 23424725604.

The previous prime is 23433088397. The next prime is 23433088433. The reversal of 23433088409 is 90488033432.

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-23433088409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23433088409.

It is not an unprimeable number, because it can be changed into a prime (23433081409) 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, 4177199 + ... + 4182804.

It is an arithmetic number, because the mean of its divisors is an integer number (5860362804).

Almost surely, 223433088409 is an apocalyptic number.

It is an amenable number.

23433088409 is a deficient number, since it is larger than the sum of its proper divisors (8362807).

23433088409 is an equidigital number, since it uses as much as digits as its factorization.

23433088409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8362806.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 23433088409 in words is "twenty-three billion, four hundred thirty-three million, eighty-eight thousand, four hundred nine".

Divisors: 1 2803 8360003 23433088409