12423957 has 32 divisors (see below), whose sum is σ = 21595392. Its totient is φ = 6165504.

The previous prime is 12423941. The next prime is 12423973. The reversal of 12423957 is 75932421.

It is an interprime number because it is at equal distance from previous prime (12423941) and next prime (12423973).

It is not a de Polignac number, because 12423957 - 2⁴ = 12423941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12423907) 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 31 ways as a sum of consecutive naturals, for example, 3303 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (674856).

Almost surely, 2^12423957 is an apocalyptic number.

12423957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12423957 is a deficient number, since it is larger than the sum of its proper divisors (9171435).

12423957 is a wasteful number, since it uses less digits than its factorization.

12423957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717.

The product of its digits is 15120, while the sum is 33.

The square root of 12423957 is about 3524.7633963147. The cubic root of 12423957 is about 231.6078703391.

It can be divided in two parts, 12423 and 957, that multiplied together give a palindrome (11888811).

The spelling of 12423957 in words is "twelve million, four hundred twenty-three thousand, nine hundred fifty-seven".