8512406423 has 2 divisors, whose sum is σ = 8512406424. Its totient is φ = 8512406422.

The previous prime is 8512406359. The next prime is 8512406459. The reversal of 8512406423 is 3246042158.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8512406423 - 2⁶ = 8512406359 is a prime.

It is a super-2 number, since 2×8512406423² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8512406473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256203211 + 4256203212.

It is an arithmetic number, because the mean of its divisors is an integer number (4256203212).

Almost surely, 2^8512406423 is an apocalyptic number.

8512406423 is a deficient number, since it is larger than the sum of its proper divisors (1).

8512406423 is an equidigital number, since it uses as much as digits as its factorization.

8512406423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 8512406423 is about 92262.7033150449. The cubic root of 8512406423 is about 2041.8199847353.

The spelling of 8512406423 in words is "eight billion, five hundred twelve million, four hundred six thousand, four hundred twenty-three".