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10123439 is a prime number
BaseRepresentation
bin100110100111…
…100010101111
3201001022202012
4212213202233
510042422224
61000551435
7152022254
oct46474257
921038665
1010123439
115794987
12348257b
132135b01
1414b742b
15d4e80e
hex9a78af

10123439 has 2 divisors, whose sum is σ = 10123440. Its totient is φ = 10123438.

The previous prime is 10123423. The next prime is 10123457. The reversal of 10123439 is 93432101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10123439 - 24 = 10123423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061719 + 5061720.

It is an arithmetic number, because the mean of its divisors is an integer number (5061720).

Almost surely, 210123439 is an apocalyptic number.

10123439 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123439 is an equidigital number, since it uses as much as digits as its factorization.

10123439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 10123439 is about 3181.7352183989. The cubic root of 10123439 is about 216.3263171891.

The spelling of 10123439 in words is "ten million, one hundred twenty-three thousand, four hundred thirty-nine".