423041242451 has 2 divisors, whose sum is σ = 423041242452. Its totient is φ = 423041242450.

The previous prime is 423041242399. The next prime is 423041242513. The reversal of 423041242451 is 154242140324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423041242451 is a prime.

It is not a weakly prime, because it can be changed into another prime (423041442451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211520621225 + 211520621226.

It is an arithmetic number, because the mean of its divisors is an integer number (211520621226).

Almost surely, 2^423041242451 is an apocalyptic number.

423041242451 is a deficient number, since it is larger than the sum of its proper divisors (1).

423041242451 is an equidigital number, since it uses as much as digits as its factorization.

423041242451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 423041242451 its reverse (154242140324), we get a palindrome (577283382775).

The spelling of 423041242451 in words is "four hundred twenty-three billion, forty-one million, two hundred forty-two thousand, four hundred fifty-one".