38130923 has 2 divisors, whose sum is σ = 38130924. Its totient is φ = 38130922.

The previous prime is 38130919. The next prime is 38130931. The reversal of 38130923 is 32903183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38130923 - 2² = 38130919 is a prime.

It is not a weakly prime, because it can be changed into another prime (38130913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19065461 + 19065462.

It is an arithmetic number, because the mean of its divisors is an integer number (19065462).

Almost surely, 2^38130923 is an apocalyptic number.

38130923 is a deficient number, since it is larger than the sum of its proper divisors (1).

38130923 is an equidigital number, since it uses as much as digits as its factorization.

38130923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 38130923 is about 6175.0241295075. The cubic root of 38130923 is about 336.5832032861.

The spelling of 38130923 in words is "thirty-eight million, one hundred thirty thousand, nine hundred twenty-three".