204152423 has 2 divisors, whose sum is σ = 204152424. Its totient is φ = 204152422.

The previous prime is 204152419. The next prime is 204152437. The reversal of 204152423 is 324251402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204152423 - 2² = 204152419 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204152413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102076211 + 102076212.

It is an arithmetic number, because the mean of its divisors is an integer number (102076212).

Almost surely, 2^204152423 is an apocalyptic number.

204152423 is a deficient number, since it is larger than the sum of its proper divisors (1).

204152423 is an equidigital number, since it uses as much as digits as its factorization.

204152423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 204152423 is about 14288.1917330361. The cubic root of 204152423 is about 588.8231093107.

The spelling of 204152423 in words is "two hundred four million, one hundred fifty-two thousand, four hundred twenty-three".