1013045423 has 4 divisors (see below), whose sum is σ = 1090972008. Its totient is φ = 935118840.

The previous prime is 1013045381. The next prime is 1013045431. The reversal of 1013045423 is 3245403101.

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 1013045423 - 2⁸ = 1013045167 is a prime.

It is a super-2 number, since 2×1013045423² = 2052522058122497858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013045323) 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 in 3 ways as a sum of consecutive naturals, for example, 38963273 + ... + 38963298.

It is an arithmetic number, because the mean of its divisors is an integer number (272743002).

Almost surely, 2^1013045423 is an apocalyptic number.

1013045423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1013045423 is a deficient number, since it is larger than the sum of its proper divisors (77926585).

1013045423 is an equidigital number, since it uses as much as digits as its factorization.

1013045423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77926584.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1013045423 is about 31828.3744950948. The cubic root of 1013045423 is about 1004.3297009676.

Adding to 1013045423 its reverse (3245403101), we get a palindrome (4258448524).

The spelling of 1013045423 in words is "one billion, thirteen million, forty-five thousand, four hundred twenty-three".