1051315723 has 2 divisors, whose sum is σ = 1051315724. Its totient is φ = 1051315722.

The previous prime is 1051315721. The next prime is 1051315757. The reversal of 1051315723 is 3275131501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051315723 - 2¹ = 1051315721 is a prime.

It is a super-2 number, since 2×1051315723² = 2210529498854025458, which contains 22 as substring.

Together with 1051315721, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1051315691 and 1051315700.

It is not a weakly prime, because it can be changed into another prime (1051315721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525657861 + 525657862.

It is an arithmetic number, because the mean of its divisors is an integer number (525657862).

Almost surely, 2^1051315723 is an apocalyptic number.

1051315723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051315723 is an equidigital number, since it uses as much as digits as its factorization.

1051315723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 1051315723 is about 32423.9991827042. Note that the first 3 decimals coincide. The cubic root of 1051315723 is about 1016.8207180457.

The spelling of 1051315723 in words is "one billion, fifty-one million, three hundred fifteen thousand, seven hundred twenty-three".