520148423 has 2 divisors, whose sum is σ = 520148424. Its totient is φ = 520148422.

The previous prime is 520148401. The next prime is 520148429. The reversal of 520148423 is 324841025.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520148423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520148429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260074211 + 260074212.

It is an arithmetic number, because the mean of its divisors is an integer number (260074212).

Almost surely, 2^520148423 is an apocalyptic number.

520148423 is a deficient number, since it is larger than the sum of its proper divisors (1).

520148423 is an equidigital number, since it uses as much as digits as its factorization.

520148423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 520148423 is about 22806.7626593517. The cubic root of 520148423 is about 804.2216531806.

Adding to 520148423 its reverse (324841025), we get a palindrome (844989448).

The spelling of 520148423 in words is "five hundred twenty million, one hundred forty-eight thousand, four hundred twenty-three".