38661123 has 16 divisors (see below), whose sum is σ = 53504000. Its totient is φ = 24805440.

The previous prime is 38661121. The next prime is 38661149. The reversal of 38661123 is 32116683.

It is not a de Polignac number, because 38661123 - 2¹ = 38661121 is a prime.

It is a super-2 number, since 2×38661123² = 2989364863242258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38661121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17463 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (3344000).

Almost surely, 2^38661123 is an apocalyptic number.

38661123 is a deficient number, since it is larger than the sum of its proper divisors (14842877).

38661123 is a wasteful number, since it uses less digits than its factorization.

38661123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322.

The product of its digits is 5184, while the sum is 30.

The square root of 38661123 is about 6217.8069284917. The cubic root of 38661123 is about 338.1360603209.

The spelling of 38661123 in words is "thirty-eight million, six hundred sixty-one thousand, one hundred twenty-three".