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, 2^10123439 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".