420431154323153 has 16 divisors (see below), whose sum is σ = 423095888007936. Its totient is φ = 417769141920000.

The previous prime is 420431154323149. The next prime is 420431154323171. The reversal of 420431154323153 is 351323451134024.

It is a cyclic number.

It is not a de Polignac number, because 420431154323153 - 2² = 420431154323149 is a prime.

It is a super-2 number, since 2×420431154323153² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420431154323153.

It is not an unprimeable number, because it can be changed into a prime (420431154323113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8624027528 + ... + 8624076278.

It is an arithmetic number, because the mean of its divisors is an integer number (26443493000496).

Almost surely, 2^{420431154323153} is an apocalyptic number.

It is an amenable number.

420431154323153 is a deficient number, since it is larger than the sum of its proper divisors (2664733684783).

420431154323153 is a wasteful number, since it uses less digits than its factorization.

420431154323153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75544.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 420431154323153 in words is "four hundred twenty trillion, four hundred thirty-one billion, one hundred fifty-four million, three hundred twenty-three thousand, one hundred fifty-three".