223134144025 has 12 divisors (see below), whose sum is σ = 297969903532. Its totient is φ = 164775983040.

The previous prime is 223134143989. The next prime is 223134144031. The reversal of 223134144025 is 520441431322.

It can be written as a sum of positive squares in 6 ways, for example, as 81679925209 + 141454218816 = 285797^2 + 376104^2 .

It is not a de Polignac number, because 223134144025 - 2⁹ = 223134143513 is a prime.

It is a super-3 number, since 3×223134144025³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 343282974 + ... + 343283623.

Almost surely, 2^223134144025 is an apocalyptic number.

223134144025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223134144025 is a deficient number, since it is larger than the sum of its proper divisors (74835759507).

223134144025 is a wasteful number, since it uses less digits than its factorization.

223134144025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686566620 (or 686566615 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 223134144025 its reverse (520441431322), we get a palindrome (743575575347).

The spelling of 223134144025 in words is "two hundred twenty-three billion, one hundred thirty-four million, one hundred forty-four thousand, twenty-five".