1006428623 has 2 divisors, whose sum is σ = 1006428624. Its totient is φ = 1006428622.

The previous prime is 1006428593. The next prime is 1006428677. The reversal of 1006428623 is 3268246001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1006428623 - 2⁶ = 1006428559 is a prime.

It is a super-2 number, since 2×1006428623² = 2025797146387352258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1006428623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006428023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503214311 + 503214312.

It is an arithmetic number, because the mean of its divisors is an integer number (503214312).

Almost surely, 2^1006428623 is an apocalyptic number.

1006428623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006428623 is an equidigital number, since it uses as much as digits as its factorization.

1006428623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1006428623 is about 31724.2592190897. The cubic root of 1006428623 is about 1002.1382987528.

The spelling of 1006428623 in words is "one billion, six million, four hundred twenty-eight thousand, six hundred twenty-three".