10423139 has 4 divisors (see below), whose sum is σ = 10619856. Its totient is φ = 10226424.

The previous prime is 10423121. The next prime is 10423187. The reversal of 10423139 is 93132401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93132401 = 31 ⋅3004271.

It is a cyclic number.

It is not a de Polignac number, because 10423139 - 2⁸ = 10422883 is a prime.

It is a super-2 number, since 2×10423139² = 217283653226642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10423109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98279 + ... + 98384.

It is an arithmetic number, because the mean of its divisors is an integer number (2654964).

Almost surely, 2^10423139 is an apocalyptic number.

10423139 is a deficient number, since it is larger than the sum of its proper divisors (196717).

10423139 is an equidigital number, since it uses as much as digits as its factorization.

10423139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196716.

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

The square root of 10423139 is about 3228.4886557025. The cubic root of 10423139 is about 218.4403396506.

The spelling of 10423139 in words is "ten million, four hundred twenty-three thousand, one hundred thirty-nine".