226561123 has 4 divisors (see below), whose sum is σ = 226664640. Its totient is φ = 226457608.

The previous prime is 226561117. The next prime is 226561129. The reversal of 226561123 is 321165622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321165622 = 2 ⋅160582811.

It is an interprime number because it is at equal distance from previous prime (226561117) and next prime (226561129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226561123 is a prime.

It is a super-2 number, since 2×226561123² = 102659884910042258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 226561091 and 226561100.

It is not an unprimeable number, because it can be changed into a prime (226561129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48403 + ... + 52876.

It is an arithmetic number, because the mean of its divisors is an integer number (56666160).

Almost surely, 2^226561123 is an apocalyptic number.

226561123 is a deficient number, since it is larger than the sum of its proper divisors (103517).

226561123 is a wasteful number, since it uses less digits than its factorization.

226561123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103516.

The product of its digits is 4320, while the sum is 28.

The square root of 226561123 is about 15051.9474819706. The cubic root of 226561123 is about 609.6236350737.

The spelling of 226561123 in words is "two hundred twenty-six million, five hundred sixty-one thousand, one hundred twenty-three".