1010021423 has 2 divisors, whose sum is σ = 1010021424. Its totient is φ = 1010021422.

The previous prime is 1010021417. The next prime is 1010021431. The reversal of 1010021423 is 3241200101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010021423 - 2¹⁰ = 1010020399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010021398 and 1010021407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010021443) 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, 505010711 + 505010712.

It is an arithmetic number, because the mean of its divisors is an integer number (505010712).

Almost surely, 2^1010021423 is an apocalyptic number.

1010021423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010021423 is an equidigital number, since it uses as much as digits as its factorization.

1010021423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1010021423 is about 31780.8342086862. The cubic root of 1010021423 is about 1003.3293772785.

Adding to 1010021423 its reverse (3241200101), we get a palindrome (4251221524).

The spelling of 1010021423 in words is "one billion, ten million, twenty-one thousand, four hundred twenty-three".