13578023 has 2 divisors, whose sum is σ = 13578024. Its totient is φ = 13578022.

The previous prime is 13578013. The next prime is 13578041. The reversal of 13578023 is 32087531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13578023 - 2⁴ = 13578007 is a prime.

It is equal to p₈₈₄₃₆₀ and since 13578023 and 884360 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13578013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6789011 + 6789012.

It is an arithmetic number, because the mean of its divisors is an integer number (6789012).

Almost surely, 2^13578023 is an apocalyptic number.

13578023 is a deficient number, since it is larger than the sum of its proper divisors (1).

13578023 is an equidigital number, since it uses as much as digits as its factorization.

13578023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13578023 is about 3684.8369027679. The cubic root of 13578023 is about 238.5679946541.

The spelling of 13578023 in words is "thirteen million, five hundred seventy-eight thousand, twenty-three".