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23212302123 = 361521243461
BaseRepresentation
bin10101100111100011…
…111001111100101011
32012220201001010100110
4111213203321330223
5340014322131443
614355200105403
71451136212133
oct254743717453
965821033313
1023212302123
11993181516a
1245b9905263
13225c062b1a
1411a2b93ac3
1590cc99233
hex5678f9f2b

23212302123 has 16 divisors (see below), whose sum is σ = 31517616672. Its totient is φ = 15191904000.

The previous prime is 23212302079. The next prime is 23212302137. The reversal of 23212302123 is 32120321232.

It is a happy number.

It is not a de Polignac number, because 23212302123 - 26 = 23212302059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23212302123.

It is not an unprimeable number, because it can be changed into a prime (23212302173) 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, 26388 + ... + 217073.

It is an arithmetic number, because the mean of its divisors is an integer number (1969851042).

Almost surely, 223212302123 is an apocalyptic number.

23212302123 is a deficient number, since it is larger than the sum of its proper divisors (8305314549).

23212302123 is a wasteful number, since it uses less digits than its factorization.

23212302123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244046.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23212302123 its reverse (32120321232), we get a palindrome (55332623355).

The spelling of 23212302123 in words is "twenty-three billion, two hundred twelve million, three hundred two thousand, one hundred twenty-three".

Divisors: 1 3 61 183 521 1563 31781 95343 243461 730383 14851121 44553363 126843181 380529543 7737434041 23212302123