25063456455623 has 2 divisors, whose sum is σ = 25063456455624. Its totient is φ = 25063456455622.

The previous prime is 25063456455617. The next prime is 25063456455649. The reversal of 25063456455623 is 32655465436052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25063456455623 - 2⁴ = 25063456455607 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 (25063456452623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12531728227811 + 12531728227812.

It is an arithmetic number, because the mean of its divisors is an integer number (12531728227812).

Almost surely, 2^{25063456455623} is an apocalyptic number.

25063456455623 is a deficient number, since it is larger than the sum of its proper divisors (1).

25063456455623 is an equidigital number, since it uses as much as digits as its factorization.

25063456455623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760000, while the sum is 56.

The spelling of 25063456455623 in words is "twenty-five trillion, sixty-three billion, four hundred fifty-six million, four hundred fifty-five thousand, six hundred twenty-three".