10423557 has 12 divisors (see below), whose sum is σ = 15575820. Its totient is φ = 6709248.

The previous prime is 10423549. The next prime is 10423559. The reversal of 10423557 is 75532401.

It is a happy number.

10423557 is a `hidden beast` number, since 104 + 2 + 3 + 557 = 666.

10423557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7322436 + 3101121 = 2706^2 + 1761^2 .

It is not a de Polignac number, because 10423557 - 2³ = 10423549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10423557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19708 + ... + 20229.

It is an arithmetic number, because the mean of its divisors is an integer number (1297985).

Almost surely, 2^10423557 is an apocalyptic number.

It is an amenable number.

10423557 is a deficient number, since it is larger than the sum of its proper divisors (5152263).

10423557 is a wasteful number, since it uses less digits than its factorization.

10423557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39972 (or 39969 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 10423557 is about 3228.5533912265. The cubic root of 10423557 is about 218.4432596552.

Adding to 10423557 its reverse (75532401), we get a palindrome (85955958).

The spelling of 10423557 in words is "ten million, four hundred twenty-three thousand, five hundred fifty-seven".