38503723 has 2 divisors, whose sum is σ = 38503724. Its totient is φ = 38503722.

The previous prime is 38503721. The next prime is 38503727. The reversal of 38503723 is 32730583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38503723 - 2¹ = 38503721 is a prime.

Together with 38503721, it forms a pair of twin primes.

It is equal to p_2347942 and since 38503723 and 2347942 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (38503721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19251861 + 19251862.

It is an arithmetic number, because the mean of its divisors is an integer number (19251862).

Almost surely, 2^38503723 is an apocalyptic number.

38503723 is a deficient number, since it is larger than the sum of its proper divisors (1).

38503723 is an equidigital number, since it uses as much as digits as its factorization.

38503723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 38503723 is about 6205.1368236325. The cubic root of 38503723 is about 337.6765547202.

The spelling of 38503723 in words is "thirty-eight million, five hundred three thousand, seven hundred twenty-three".