154314643423 has 2 divisors, whose sum is σ = 154314643424. Its totient is φ = 154314643422.

The previous prime is 154314643421. The next prime is 154314643451. The reversal of 154314643423 is 324346413451.

It is a weak prime.

It is an emirp because it is prime and its reverse (324346413451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154314643423 - 2¹ = 154314643421 is a prime.

Together with 154314643421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154314643421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77157321711 + 77157321712.

It is an arithmetic number, because the mean of its divisors is an integer number (77157321712).

Almost surely, 2^154314643423 is an apocalyptic number.

154314643423 is a deficient number, since it is larger than the sum of its proper divisors (1).

154314643423 is an equidigital number, since it uses as much as digits as its factorization.

154314643423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 40.

The spelling of 154314643423 in words is "one hundred fifty-four billion, three hundred fourteen million, six hundred forty-three thousand, four hundred twenty-three".