385923451 has 2 divisors, whose sum is σ = 385923452. Its totient is φ = 385923450.

The previous prime is 385923413. The next prime is 385923467. The reversal of 385923451 is 154329583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385923451 - 2¹⁵ = 385890683 is a prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (385923401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192961725 + 192961726.

It is an arithmetic number, because the mean of its divisors is an integer number (192961726).

Almost surely, 2^385923451 is an apocalyptic number.

385923451 is a deficient number, since it is larger than the sum of its proper divisors (1).

385923451 is an equidigital number, since it uses as much as digits as its factorization.

385923451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 385923451 is about 19644.9344870376. The cubic root of 385923451 is about 728.0598075840.

The spelling of 385923451 in words is "three hundred eighty-five million, nine hundred twenty-three thousand, four hundred fifty-one".