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23121042302 = 211560521151
BaseRepresentation
bin10101100010000111…
…110001101101111110
32012200100022122102002
4111202013301231332
5334322441323202
614342140102302
71445650421411
oct254207615576
965610278362
1023121042302
119895253326
124593234992
13224618c627
1411949d9b78
15904c6e302
hex5621f1b7e

23121042302 has 4 divisors (see below), whose sum is σ = 34681563456. Its totient is φ = 11560521150.

The previous prime is 23121042299. The next prime is 23121042319. The reversal of 23121042302 is 20324012132.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780260574 + ... + 5780260577.

It is an arithmetic number, because the mean of its divisors is an integer number (8670390864).

Almost surely, 223121042302 is an apocalyptic number.

23121042302 is a deficient number, since it is larger than the sum of its proper divisors (11560521154).

23121042302 is a wasteful number, since it uses less digits than its factorization.

23121042302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11560521153.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23121042302 its reverse (20324012132), we get a palindrome (43445054434).

The spelling of 23121042302 in words is "twenty-three billion, one hundred twenty-one million, forty-two thousand, three hundred two".

Divisors: 1 2 11560521151 23121042302