11385623 has 2 divisors, whose sum is σ = 11385624. Its totient is φ = 11385622.

The previous prime is 11385613. The next prime is 11385739. The reversal of 11385623 is 32658311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11385623 - 2¹⁶ = 11320087 is a prime.

It is a super-2 number, since 2×11385623² = 259264822196258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11385613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692811 + 5692812.

It is an arithmetic number, because the mean of its divisors is an integer number (5692812).

Almost surely, 2^11385623 is an apocalyptic number.

11385623 is a deficient number, since it is larger than the sum of its proper divisors (1).

11385623 is an equidigital number, since it uses as much as digits as its factorization.

11385623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 11385623 is about 3374.2588815916. The cubic root of 11385623 is about 224.9670601985.

The spelling of 11385623 in words is "eleven million, three hundred eighty-five thousand, six hundred twenty-three".