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23103321011 = 171499906617
BaseRepresentation
bin10101100001000100…
…001011001110110011
32012122002222022100222
4111201010023032303
5334303422233021
614340304203255
71445343663011
oct254104131663
965562868328
1023103321011
11988624a031
12458930952b
1322425c6464
1411925058b1
1590341d6ab
hex56110b3b3

23103321011 has 8 divisors (see below), whose sum is σ = 24478686000. Its totient is φ = 21729772288.

The previous prime is 23103320971. The next prime is 23103321023. The reversal of 23103321011 is 11012330132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23103321011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23103321061) 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, 427826 + ... + 478791.

It is an arithmetic number, because the mean of its divisors is an integer number (3059835750).

Almost surely, 223103321011 is an apocalyptic number.

23103321011 is a deficient number, since it is larger than the sum of its proper divisors (1375364989).

23103321011 is a wasteful number, since it uses less digits than its factorization.

23103321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908133.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23103321011 its reverse (11012330132), we get a palindrome (34115651143).

The spelling of 23103321011 in words is "twenty-three billion, one hundred three million, three hundred twenty-one thousand, eleven".

Divisors: 1 17 1499 25483 906617 15412489 1359018883 23103321011