5420723 has 24 divisors (see below), whose sum is σ = 7017840. Its totient is φ = 4139520.

The previous prime is 5420717. The next prime is 5420729. The reversal of 5420723 is 3270245.

It is an interprime number because it is at equal distance from previous prime (5420717) and next prime (5420729).

It is not a de Polignac number, because 5420723 - 2¹⁴ = 5404339 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 5⁴ + 4³ + 2²⁰ + 0 + 7 + 2²² + 3¹¹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47915 + ... + 48027.

It is an arithmetic number, because the mean of its divisors is an integer number (292410).

Almost surely, 2^5420723 is an apocalyptic number.

5420723 is a deficient number, since it is larger than the sum of its proper divisors (1597117).

5420723 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (5420722) it forms an eRAP, since the sums of their prime factors are consecutive (226 and 227).

5420723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 5420723 is about 2328.2446177324. The cubic root of 5420723 is about 175.6652015972.

Adding to 5420723 its reverse (3270245), we get a palindrome (8690968).

The spelling of 5420723 in words is "five million, four hundred twenty thousand, seven hundred twenty-three".