38020723 has 16 divisors (see below), whose sum is σ = 41884416. Its totient is φ = 34302240.

The previous prime is 38020709. The next prime is 38020733. The reversal of 38020723 is 32702083.

It is a happy number.

It is not a de Polignac number, because 38020723 - 2¹³ = 38012531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38020733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180088 + ... + 180298.

It is an arithmetic number, because the mean of its divisors is an integer number (2617776).

Almost surely, 2^38020723 is an apocalyptic number.

38020723 is a deficient number, since it is larger than the sum of its proper divisors (3863693).

38020723 is a wasteful number, since it uses less digits than its factorization.

38020723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 38020723 is about 6166.0946311259. The cubic root of 38020723 is about 336.2586437987.

The spelling of 38020723 in words is "thirty-eight million, twenty thousand, seven hundred twenty-three".