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23878123 is a prime number
BaseRepresentation
bin101101100010…
…1100111101011
31122221010121221
41123011213223
522103044443
62211442511
7406650343
oct133054753
948833557
1023878123
1112529a95
127bb6437
134c40689
143257d23
152169eed
hex16c59eb

23878123 has 2 divisors, whose sum is σ = 23878124. Its totient is φ = 23878122.

The previous prime is 23878103. The next prime is 23878139. The reversal of 23878123 is 32187832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23878123 - 213 = 23869931 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (23878103) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11939061 + 11939062.

It is an arithmetic number, because the mean of its divisors is an integer number (11939062).

Almost surely, 223878123 is an apocalyptic number.

23878123 is a deficient number, since it is larger than the sum of its proper divisors (1).

23878123 is an equidigital number, since it uses as much as digits as its factorization.

23878123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 23878123 is about 4886.5246341342. The cubic root of 23878123 is about 287.9608156244.

The spelling of 23878123 in words is "twenty-three million, eight hundred seventy-eight thousand, one hundred twenty-three".