1030423013 has 4 divisors (see below), whose sum is σ = 1035043968. Its totient is φ = 1025802060.

The previous prime is 1030423007. The next prime is 1030423019. The reversal of 1030423013 is 3103240301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1030423007) and next prime (1030423019).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030423013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1030422982 and 1030423000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030423019) 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, 2310143 + ... + 2310588.

It is an arithmetic number, because the mean of its divisors is an integer number (258760992).

Almost surely, 2^1030423013 is an apocalyptic number.

It is an amenable number.

1030423013 is a deficient number, since it is larger than the sum of its proper divisors (4620955).

1030423013 is an equidigital number, since it uses as much as digits as its factorization.

1030423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620954.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1030423013 is about 32100.2026940641. The cubic root of 1030423013 is about 1010.0398680469.

Adding to 1030423013 its reverse (3103240301), we get a palindrome (4133663314).

The spelling of 1030423013 in words is "one billion, thirty million, four hundred twenty-three thousand, thirteen".