223145601 has 8 divisors (see below), whose sum is σ = 340031424. Its totient is φ = 127511760.

The previous prime is 223145599. The next prime is 223145603. The reversal of 223145601 is 106541322.

223145601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (223145599) and next prime (223145603).

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

It is not a de Polignac number, because 223145601 - 2¹ = 223145599 is a prime.

It is a super-3 number, since 3×223145601³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223145603) 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, 5312970 + ... + 5313011.

It is an arithmetic number, because the mean of its divisors is an integer number (42503928).

Almost surely, 2^223145601 is an apocalyptic number.

223145601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

223145601 is a deficient number, since it is larger than the sum of its proper divisors (116885823).

223145601 is a wasteful number, since it uses less digits than its factorization.

223145601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625991.

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

The square root of 223145601 is about 14938.0588096312. The cubic root of 223145601 is about 606.5446502520.

Adding to 223145601 its reverse (106541322), we get a palindrome (329686923).

The spelling of 223145601 in words is "two hundred twenty-three million, one hundred forty-five thousand, six hundred one".