223154404120401 has 32 divisors (see below), whose sum is σ = 327546183054720. Its totient is φ = 134298758467584.

The previous prime is 223154404120393. The next prime is 223154404120421. The reversal of 223154404120401 is 104021404451322.

It is not a de Polignac number, because 223154404120401 - 2³ = 223154404120393 is a prime.

It is a super-3 number, since 3×223154404120401³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223154404120421) 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 31 ways as a sum of consecutive naturals, for example, 250803286 + ... + 251691471.

It is an arithmetic number, because the mean of its divisors is an integer number (10235818220460).

Almost surely, 2^{223154404120401} is an apocalyptic number.

It is an amenable number.

223154404120401 is a deficient number, since it is larger than the sum of its proper divisors (104391778934319).

223154404120401 is a wasteful number, since it uses less digits than its factorization.

223154404120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502495025.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 223154404120401 its reverse (104021404451322), we get a palindrome (327175808571723).

The spelling of 223154404120401 in words is "two hundred twenty-three trillion, one hundred fifty-four billion, four hundred four million, one hundred twenty thousand, four hundred one".