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23302012121 is a prime number
BaseRepresentation
bin10101101100111010…
…000111110011011001
32020010221211212022222
4111230322013303121
5340210303341441
614412122553425
71453305556253
oct255472076331
966127755288
1023302012121
119978418663
124623968875
132274812a6b
1411b0a66cd3
15915ab9d4b
hex56ce87cd9

23302012121 has 2 divisors, whose sum is σ = 23302012122. Its totient is φ = 23302012120.

The previous prime is 23302012117. The next prime is 23302012133. The reversal of 23302012121 is 12121020332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19555225600 + 3746786521 = 139840^2 + 61211^2 .

It is a cyclic number.

It is not a de Polignac number, because 23302012121 - 22 = 23302012117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23302012121.

It is not a weakly prime, because it can be changed into another prime (23302012621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651006060 + 11651006061.

It is an arithmetic number, because the mean of its divisors is an integer number (11651006061).

Almost surely, 223302012121 is an apocalyptic number.

It is an amenable number.

23302012121 is a deficient number, since it is larger than the sum of its proper divisors (1).

23302012121 is an equidigital number, since it uses as much as digits as its factorization.

23302012121 is an evil number, because the sum of its binary digits is even.

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

Adding to 23302012121 its reverse (12121020332), we get a palindrome (35423032453).

The spelling of 23302012121 in words is "twenty-three billion, three hundred two million, twelve thousand, one hundred twenty-one".