1018315423 has 2 divisors, whose sum is σ = 1018315424. Its totient is φ = 1018315422.

The previous prime is 1018315391. The next prime is 1018315457. The reversal of 1018315423 is 3245138101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1018315423 - 2⁵ = 1018315391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1018315391 and 1018315400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1018315523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509157711 + 509157712.

It is an arithmetic number, because the mean of its divisors is an integer number (509157712).

Almost surely, 2^1018315423 is an apocalyptic number.

1018315423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018315423 is an equidigital number, since it uses as much as digits as its factorization.

1018315423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1018315423 is about 31911.0548713138. The cubic root of 1018315423 is about 1006.0682429428.

The spelling of 1018315423 in words is "one billion, eighteen million, three hundred fifteen thousand, four hundred twenty-three".