425400131534123 has 2 divisors, whose sum is σ = 425400131534124. Its totient is φ = 425400131534122.

The previous prime is 425400131534099. The next prime is 425400131534143. The reversal of 425400131534123 is 321435131004524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425400131534123 - 2¹⁰ = 425400131533099 is a prime.

It is not a weakly prime, because it can be changed into another prime (425400131534143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212700065767061 + 212700065767062.

It is an arithmetic number, because the mean of its divisors is an integer number (212700065767062).

Almost surely, 2^{425400131534123} is an apocalyptic number.

425400131534123 is a deficient number, since it is larger than the sum of its proper divisors (1).

425400131534123 is an equidigital number, since it uses as much as digits as its factorization.

425400131534123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 425400131534123 its reverse (321435131004524), we get a palindrome (746835262538647).

The spelling of 425400131534123 in words is "four hundred twenty-five trillion, four hundred billion, one hundred thirty-one million, five hundred thirty-four thousand, one hundred twenty-three".