11319923 has 2 divisors, whose sum is σ = 11319924. Its totient is φ = 11319922.

The previous prime is 11319901. The next prime is 11319937. The reversal of 11319923 is 32991311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11319923 - 2⁶ = 11319859 is a prime.

It is not a weakly prime, because it can be changed into another prime (11319983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5659961 + 5659962.

It is an arithmetic number, because the mean of its divisors is an integer number (5659962).

Almost surely, 2^11319923 is an apocalyptic number.

11319923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11319923 is an equidigital number, since it uses as much as digits as its factorization.

11319923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The square root of 11319923 is about 3364.5093252954. The cubic root of 11319923 is about 224.5335059109.

It can be divided in two parts, 11 and 319923, that multiplied together give a palindrome (3519153).

The spelling of 11319923 in words is "eleven million, three hundred nineteen thousand, nine hundred twenty-three".