11415923 has 2 divisors, whose sum is σ = 11415924. Its totient is φ = 11415922.

The previous prime is 11415919. The next prime is 11415947. The reversal of 11415923 is 32951411.

It is a weak prime.

It is an emirp because it is prime and its reverse (32951411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11415923 - 2² = 11415919 is a prime.

It is a super-3 number, since 3×11415923³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11415892 and 11415901.

It is not a weakly prime, because it can be changed into another prime (11415913) 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 as a sum of consecutive naturals, namely, 5707961 + 5707962.

It is an arithmetic number, because the mean of its divisors is an integer number (5707962).

Almost surely, 2^11415923 is an apocalyptic number.

11415923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11415923 is an equidigital number, since it uses as much as digits as its factorization.

11415923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 26.

The square root of 11415923 is about 3378.7457732123. The cubic root of 11415923 is about 225.1664480300.

The spelling of 11415923 in words is "eleven million, four hundred fifteen thousand, nine hundred twenty-three".