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23002122311 = 743137557803
BaseRepresentation
bin10101011011000010…
…001000100001000111
32012101001112212211222
4111123002020201013
5334102020403221
614322251150555
71443004546040
oct253302104107
965331485758
1023002122311
119834109a43
12455b44545b
13222765317c
141182cc18c7
158e95cd9ab
hex55b088847

23002122311 has 16 divisors (see below), whose sum is σ = 27095887104. Its totient is φ = 19116990144.

The previous prime is 23002122307. The next prime is 23002122313. The reversal of 23002122311 is 11322120032.

It is not a de Polignac number, because 23002122311 - 22 = 23002122307 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 23002122311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002122313) 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, 237665 + ... + 320138.

It is an arithmetic number, because the mean of its divisors is an integer number (1693492944).

Almost surely, 223002122311 is an apocalyptic number.

23002122311 is a deficient number, since it is larger than the sum of its proper divisors (4093764793).

23002122311 is a wasteful number, since it uses less digits than its factorization.

23002122311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557990.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23002122311 its reverse (11322120032), we get a palindrome (34324242343).

The spelling of 23002122311 in words is "twenty-three billion, two million, one hundred twenty-two thousand, three hundred eleven".

Divisors: 1 7 43 137 301 959 5891 41237 557803 3904621 23985529 76419011 167898703 534933077 3286017473 23002122311