38121323 has 2 divisors, whose sum is σ = 38121324. Its totient is φ = 38121322.

The previous prime is 38121313. The next prime is 38121329. The reversal of 38121323 is 32312183.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38121323 - 2¹² = 38117227 is a prime.

It is not a weakly prime, because it can be changed into another prime (38121329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19060661 + 19060662.

It is an arithmetic number, because the mean of its divisors is an integer number (19060662).

Almost surely, 2^38121323 is an apocalyptic number.

38121323 is a deficient number, since it is larger than the sum of its proper divisors (1).

38121323 is an equidigital number, since it uses as much as digits as its factorization.

38121323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 23.

The square root of 38121323 is about 6174.2467556780. The cubic root of 38121323 is about 336.5549543855.

The spelling of 38121323 in words is "thirty-eight million, one hundred twenty-one thousand, three hundred twenty-three".