154204230315223 has 16 divisors (see below), whose sum is σ = 168867774738432. Its totient is φ = 139648215996000.

The previous prime is 154204230315197. The next prime is 154204230315227. The reversal of 154204230315223 is 322513032402451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154204230315223 is a prime.

It is a super-2 number, since 2×154204230315223² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154204230315227) 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 in 15 ways as a sum of consecutive naturals, for example, 92300653 + ... + 93956473.

It is an arithmetic number, because the mean of its divisors is an integer number (10554235921152).

Almost surely, 2^{154204230315223} is an apocalyptic number.

154204230315223 is a deficient number, since it is larger than the sum of its proper divisors (14663544423209).

154204230315223 is a wasteful number, since it uses less digits than its factorization.

154204230315223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688286.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 154204230315223 its reverse (322513032402451), we get a palindrome (476717262717674).

The spelling of 154204230315223 in words is "one hundred fifty-four trillion, two hundred four billion, two hundred thirty million, three hundred fifteen thousand, two hundred twenty-three".