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23003210013 = 371318361763
BaseRepresentation
bin10101011011000110…
…010010000100011101
32012101010121010220020
4111123012102010131
5334102310210023
614322330342353
71443020026140
oct253306220435
965333533806
1023003210013
119834792173
12455b88a9b9
132227944294
1411830c6057
158e9745de3
hex55b19211d

23003210013 has 16 divisors (see below), whose sum is σ = 35320091136. Its totient is φ = 13044348720.

The previous prime is 23003210011. The next prime is 23003210057. The reversal of 23003210013 is 31001230032.

It is not a de Polignac number, because 23003210013 - 21 = 23003210011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23003209974 and 23003210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003210011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4178131 + ... + 4183632.

It is an arithmetic number, because the mean of its divisors is an integer number (2207505696).

Almost surely, 223003210013 is an apocalyptic number.

It is an amenable number.

23003210013 is a deficient number, since it is larger than the sum of its proper divisors (12316881123).

23003210013 is a wasteful number, since it uses less digits than its factorization.

23003210013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361904.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23003210013 its reverse (31001230032), we get a palindrome (54004440045).

The spelling of 23003210013 in words is "twenty-three billion, three million, two hundred ten thousand, thirteen".

Divisors: 1 3 7 21 131 393 917 2751 8361763 25085289 58532341 175597023 1095390953 3286172859 7667736671 23003210013