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123223007 is a prime number
BaseRepresentation
bin1110101100000…
…11101111011111
322120212101012002
413112003233133
5223021114012
620121032515
73024243515
oct726035737
9276771162
10123223007
11636132a6
123532573b
131c6b4c2b
14125184b5
15ac407c2
hex7583bdf

123223007 has 2 divisors, whose sum is σ = 123223008. Its totient is φ = 123223006.

The previous prime is 123223003. The next prime is 123223031. The reversal of 123223007 is 700322321.

It is a weak prime.

It is an emirp because it is prime and its reverse (700322321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123223007 - 22 = 123223003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123223007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123223003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61611503 + 61611504.

It is an arithmetic number, because the mean of its divisors is an integer number (61611504).

Almost surely, 2123223007 is an apocalyptic number.

123223007 is a deficient number, since it is larger than the sum of its proper divisors (1).

123223007 is an equidigital number, since it uses as much as digits as its factorization.

123223007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 123223007 is about 11100.5858854387. The cubic root of 123223007 is about 497.6193590872.

Adding to 123223007 its reverse (700322321), we get a palindrome (823545328).

The spelling of 123223007 in words is "one hundred twenty-three million, two hundred twenty-three thousand, seven".