154164123803 has 2 divisors, whose sum is σ = 154164123804. Its totient is φ = 154164123802.

The previous prime is 154164123791. The next prime is 154164123811. The reversal of 154164123803 is 308321461451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154164123803 - 2⁴ = 154164123787 is a prime.

It is a super-2 number, since 2×154164123803² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (154164125803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77082061901 + 77082061902.

It is an arithmetic number, because the mean of its divisors is an integer number (77082061902).

Almost surely, 2^154164123803 is an apocalyptic number.

154164123803 is a deficient number, since it is larger than the sum of its proper divisors (1).

154164123803 is an equidigital number, since it uses as much as digits as its factorization.

154164123803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 154164123803 in words is "one hundred fifty-four billion, one hundred sixty-four million, one hundred twenty-three thousand, eight hundred three".