11623257 has 40 divisors (see below), whose sum is σ = 19236096. Its totient is φ = 6956928.

The previous prime is 11623247. The next prime is 11623259. The reversal of 11623257 is 75232611.

It is a happy number.

11623257 is a `hidden beast` number, since 11 + 623 + 25 + 7 = 666.

It is not a de Polignac number, because 11623257 - 2¹² = 11619161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11623257.

It is not an unprimeable number, because it can be changed into a prime (11623259) 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 39 ways as a sum of consecutive naturals, for example, 31488 + ... + 31854.

Almost surely, 2^11623257 is an apocalyptic number.

11623257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11623257 is a deficient number, since it is larger than the sum of its proper divisors (7612839).

11623257 is a wasteful number, since it uses less digits than its factorization.

11623257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 410 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 11623257 is about 3409.2898087432. The cubic root of 11623257 is about 226.5214224727.

Adding to 11623257 its reverse (75232611), we get a palindrome (86855868).

The spelling of 11623257 in words is "eleven million, six hundred twenty-three thousand, two hundred fifty-seven".