145023451123423 has 2 divisors, whose sum is σ = 145023451123424. Its totient is φ = 145023451123422.

The previous prime is 145023451123391. The next prime is 145023451123489. The reversal of 145023451123423 is 324321154320541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145023451123423 - 2⁵ = 145023451123391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145023451123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72511725561711 + 72511725561712.

It is an arithmetic number, because the mean of its divisors is an integer number (72511725561712).

Almost surely, 2^{145023451123423} is an apocalyptic number.

145023451123423 is a deficient number, since it is larger than the sum of its proper divisors (1).

145023451123423 is an equidigital number, since it uses as much as digits as its factorization.

145023451123423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 145023451123423 in words is "one hundred forty-five trillion, twenty-three billion, four hundred fifty-one million, one hundred twenty-three thousand, four hundred twenty-three".