1273453610423 has 2 divisors, whose sum is σ = 1273453610424. Its totient is φ = 1273453610422.

The previous prime is 1273453610393. The next prime is 1273453610551. The reversal of 1273453610423 is 3240163543721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1273453610423 - 2⁴⁰ = 173941982647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1273453612423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636726805211 + 636726805212.

It is an arithmetic number, because the mean of its divisors is an integer number (636726805212).

Almost surely, 2^{1273453610423} is an apocalyptic number.

1273453610423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273453610423 is an equidigital number, since it uses as much as digits as its factorization.

1273453610423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 1273453610423 in words is "one trillion, two hundred seventy-three billion, four hundred fifty-three million, six hundred ten thousand, four hundred twenty-three".