23378011 has 2 divisors, whose sum is σ = 23378012. Its totient is φ = 23378010.

The previous prime is 23377979. The next prime is 23378021. The reversal of 23378011 is 11087332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23378011 - 2⁵ = 23377979 is a prime.

It is a super-2 number, since 2×23378011² = 1093062796632242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23378021) 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, 11689005 + 11689006.

It is an arithmetic number, because the mean of its divisors is an integer number (11689006).

Almost surely, 2^23378011 is an apocalyptic number.

23378011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23378011 is an equidigital number, since it uses as much as digits as its factorization.

23378011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 23378011 is about 4835.0812816332. The cubic root of 23378011 is about 285.9362296081.

The spelling of 23378011 in words is "twenty-three million, three hundred seventy-eight thousand, eleven".