38687123 has 2 divisors, whose sum is σ = 38687124. Its totient is φ = 38687122.

The previous prime is 38687107. The next prime is 38687137. The reversal of 38687123 is 32178683.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38687123 - 2⁴ = 38687107 is a prime.

It is not a weakly prime, because it can be changed into another prime (38687023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19343561 + 19343562.

It is an arithmetic number, because the mean of its divisors is an integer number (19343562).

Almost surely, 2^38687123 is an apocalyptic number.

38687123 is a deficient number, since it is larger than the sum of its proper divisors (1).

38687123 is an equidigital number, since it uses as much as digits as its factorization.

38687123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 38687123 is about 6219.8973464198. The cubic root of 38687123 is about 338.2118433196.

The spelling of 38687123 in words is "thirty-eight million, six hundred eighty-seven thousand, one hundred twenty-three".