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23121042301 = 74180561123
BaseRepresentation
bin10101100010000111…
…110001101101111101
32012200100022122102001
4111202013301231331
5334322441323201
614342140102301
71445650421410
oct254207615575
965610278361
1023121042301
119895253325
124593234991
13224618c626
1411949d9b77
15904c6e301
hex5621f1b7d

23121042301 has 8 divisors (see below), whose sum is σ = 27068537664. Its totient is φ = 19334669280.

The previous prime is 23121042299. The next prime is 23121042319. The reversal of 23121042301 is 10324012132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23121042301 - 21 = 23121042299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121042701) 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, 40280275 + ... + 40280848.

It is an arithmetic number, because the mean of its divisors is an integer number (3383567208).

Almost surely, 223121042301 is an apocalyptic number.

It is an amenable number.

23121042301 is a deficient number, since it is larger than the sum of its proper divisors (3947495363).

23121042301 is an equidigital number, since it uses as much as digits as its factorization.

23121042301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80561171.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23121042301 its reverse (10324012132), we get a palindrome (33445054433).

The spelling of 23121042301 in words is "twenty-three billion, one hundred twenty-one million, forty-two thousand, three hundred one".

Divisors: 1 7 41 287 80561123 563927861 3303006043 23121042301