1001028923 has 2 divisors, whose sum is σ = 1001028924. Its totient is φ = 1001028922.

The previous prime is 1001028911. The next prime is 1001029009. The reversal of 1001028923 is 3298201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001028923 - 2⁴ = 1001028907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001028892 and 1001028901.

It is not a weakly prime, because it can be changed into another prime (1001028023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500514461 + 500514462.

It is an arithmetic number, because the mean of its divisors is an integer number (500514462).

Almost surely, 2^1001028923 is an apocalyptic number.

1001028923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001028923 is an equidigital number, since it uses as much as digits as its factorization.

1001028923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1001028923 is about 31639.0411201098. The cubic root of 1001028923 is about 1000.3428567691.

Adding to 1001028923 its reverse (3298201001), we get a palindrome (4299229924).

The spelling of 1001028923 in words is "one billion, one million, twenty-eight thousand, nine hundred twenty-three".