7423013 has 4 divisors (see below), whose sum is σ = 7994028. Its totient is φ = 6852000.

The previous prime is 7423007. The next prime is 7423019. The reversal of 7423013 is 3103247.

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

It is an interprime number because it is at equal distance from previous prime (7423007) and next prime (7423019).

It can be written as a sum of positive squares in 2 ways, for example, as 4190209 + 3232804 = 2047^2 + 1798^2 .

It is a cyclic number.

It is not a de Polignac number, because 7423013 - 2⁶ = 7422949 is a prime.

It is a super-2 number, since 2×7423013² = 110202243996338, 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 (7423019) 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, 285488 + ... + 285513.

It is an arithmetic number, because the mean of its divisors is an integer number (1998507).

Almost surely, 2^7423013 is an apocalyptic number.

It is an amenable number.

7423013 is a deficient number, since it is larger than the sum of its proper divisors (571015).

7423013 is a wasteful number, since it uses less digits than its factorization.

7423013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571014.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 7423013 is about 2724.5206917915. The cubic root of 7423013 is about 195.0713129485.

The spelling of 7423013 in words is "seven million, four hundred twenty-three thousand, thirteen".