815412023 has 2 divisors, whose sum is σ = 815412024. Its totient is φ = 815412022.

The previous prime is 815412019. The next prime is 815412041. The reversal of 815412023 is 320214518.

815412023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 815412023 - 2² = 815412019 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 815411983 and 815412001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (815402023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 407706011 + 407706012.

It is an arithmetic number, because the mean of its divisors is an integer number (407706012).

Almost surely, 2^815412023 is an apocalyptic number.

815412023 is a deficient number, since it is larger than the sum of its proper divisors (1).

815412023 is an equidigital number, since it uses as much as digits as its factorization.

815412023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 815412023 is about 28555.4202035270. The cubic root of 815412023 is about 934.2412455126.

The spelling of 815412023 in words is "eight hundred fifteen million, four hundred twelve thousand, twenty-three".