1052390923 has 2 divisors, whose sum is σ = 1052390924. Its totient is φ = 1052390922.

The previous prime is 1052390917. The next prime is 1052391031. The reversal of 1052390923 is 3290932501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1052390923 - 2⁵ = 1052390891 is a prime.

It is a super-2 number, since 2×1052390923² = 2215053309625583858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1052390123) 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, 526195461 + 526195462.

It is an arithmetic number, because the mean of its divisors is an integer number (526195462).

Almost surely, 2^1052390923 is an apocalyptic number.

1052390923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052390923 is an equidigital number, since it uses as much as digits as its factorization.

1052390923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 1052390923 is about 32440.5752569217. The cubic root of 1052390923 is about 1017.1672403815.

The spelling of 1052390923 in words is "one billion, fifty-two million, three hundred ninety thousand, nine hundred twenty-three".