390152423 has 2 divisors, whose sum is σ = 390152424. Its totient is φ = 390152422.

The previous prime is 390152417. The next prime is 390152447. The reversal of 390152423 is 324251093.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 390152423 - 2¹² = 390148327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390157423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195076211 + 195076212.

It is an arithmetic number, because the mean of its divisors is an integer number (195076212).

Almost surely, 2^390152423 is an apocalyptic number.

390152423 is a deficient number, since it is larger than the sum of its proper divisors (1).

390152423 is an equidigital number, since it uses as much as digits as its factorization.

390152423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 390152423 is about 19752.2764004557. The cubic root of 390152423 is about 730.7095265751.

The spelling of 390152423 in words is "three hundred ninety million, one hundred fifty-two thousand, four hundred twenty-three".