1056503023 has 2 divisors, whose sum is σ = 1056503024. Its totient is φ = 1056503022.

The previous prime is 1056502949. The next prime is 1056503027. The reversal of 1056503023 is 3203056501.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056503023 - 2⁹ = 1056502511 is a prime.

It is a super-2 number, since 2×1056503023² = 2232397275216277058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056503027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528251511 + 528251512.

It is an arithmetic number, because the mean of its divisors is an integer number (528251512).

Almost surely, 2^1056503023 is an apocalyptic number.

1056503023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056503023 is an equidigital number, since it uses as much as digits as its factorization.

1056503023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1056503023 is about 32503.8924284462. The cubic root of 1056503023 is about 1018.4903410502.

Adding to 1056503023 its reverse (3203056501), we get a palindrome (4259559524).

The spelling of 1056503023 in words is "one billion, fifty-six million, five hundred three thousand, twenty-three".