1030421023 has 4 divisors (see below), whose sum is σ = 1032627960. Its totient is φ = 1028214088.

The previous prime is 1030420991. The next prime is 1030421027. The reversal of 1030421023 is 3201240301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030421023 - 2⁵ = 1030420991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030420988 and 1030421006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030421027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102768 + ... + 1103701.

It is an arithmetic number, because the mean of its divisors is an integer number (258156990).

Almost surely, 2^1030421023 is an apocalyptic number.

1030421023 is a deficient number, since it is larger than the sum of its proper divisors (2206937).

1030421023 is an equidigital number, since it uses as much as digits as its factorization.

1030421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206936.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030421023 is about 32100.1716973601. The cubic root of 1030421023 is about 1010.0392178347.

Adding to 1030421023 its reverse (3201240301), we get a palindrome (4231661324).

The spelling of 1030421023 in words is "one billion, thirty million, four hundred twenty-one thousand, twenty-three".