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23020667 is a prime number
BaseRepresentation
bin101011111010…
…0010001111011
31121022120102022
41113310101323
521343130132
62141225055
7366446435
oct127642173
947276368
1023020667
1111aa384a
12786218b
134a002c7
1430b3655
15204ae12
hex15f447b

23020667 has 2 divisors, whose sum is σ = 23020668. Its totient is φ = 23020666.

The previous prime is 23020663. The next prime is 23020681. The reversal of 23020667 is 76602032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23020667 - 22 = 23020663 is a prime.

It is a super-2 number, since 2×230206672 = 1059902218249778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23020661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11510333 + 11510334.

It is an arithmetic number, because the mean of its divisors is an integer number (11510334).

Almost surely, 223020667 is an apocalyptic number.

23020667 is a deficient number, since it is larger than the sum of its proper divisors (1).

23020667 is an equidigital number, since it uses as much as digits as its factorization.

23020667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 23020667 is about 4797.9857231968. The cubic root of 23020667 is about 284.4718524830.

Adding to 23020667 its reverse (76602032), we get a palindrome (99622699).

The spelling of 23020667 in words is "twenty-three million, twenty thousand, six hundred sixty-seven".