1052021423 has 2 divisors, whose sum is σ = 1052021424. Its totient is φ = 1052021422.

The previous prime is 1052021381. The next prime is 1052021447. The reversal of 1052021423 is 3241202501.

It is a strong prime.

It is an emirp because it is prime and its reverse (3241202501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1052021423 - 2⁸ = 1052021167 is a prime.

It is a super-2 number, since 2×1052021423² = 2213498148901889858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1052021395 and 1052021404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052021123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526010711 + 526010712.

It is an arithmetic number, because the mean of its divisors is an integer number (526010712).

Almost surely, 2^1052021423 is an apocalyptic number.

1052021423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052021423 is an equidigital number, since it uses as much as digits as its factorization.

1052021423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1052021423 is about 32434.8797284652. The cubic root of 1052021423 is about 1017.0481821866.

Adding to 1052021423 its reverse (3241202501), we get a palindrome (4293223924).

The spelling of 1052021423 in words is "one billion, fifty-two million, twenty-one thousand, four hundred twenty-three".