223504130121 has 8 divisors (see below), whose sum is σ = 298597965120. Its totient is φ = 148706524272.

The previous prime is 223504130099. The next prime is 223504130137. The reversal of 223504130121 is 121031405322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223504130121 - 2¹⁹ = 223503605833 is a prime.

It is a super-2 number, since 2×223504130121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223504130091 and 223504130100.

It is not an unprimeable number, because it can be changed into a prime (223504130191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74055526 + ... + 74058543.

It is an arithmetic number, because the mean of its divisors is an integer number (37324745640).

Almost surely, 2^223504130121 is an apocalyptic number.

It is an amenable number.

223504130121 is a deficient number, since it is larger than the sum of its proper divisors (75093834999).

223504130121 is a wasteful number, since it uses less digits than its factorization.

223504130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148114575.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 223504130121 its reverse (121031405322), we get a palindrome (344535535443).

The spelling of 223504130121 in words is "two hundred twenty-three billion, five hundred four million, one hundred thirty thousand, one hundred twenty-one".