223512311425 has 48 divisors (see below), whose sum is σ = 316162233072. Its totient is φ = 155282227200.

The previous prime is 223512311389. The next prime is 223512311443. The reversal of 223512311425 is 524113215322.

It is a happy number.

It can be written as a sum of positive squares in 24 ways, for example, as 132901077136 + 90611234289 = 364556^2 + 301017^2 .

It is not a de Polignac number, because 223512311425 - 2¹³ = 223512303233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16330585 + ... + 16344265.

It is an arithmetic number, because the mean of its divisors is an integer number (6586713189).

Almost surely, 2^223512311425 is an apocalyptic number.

223512311425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223512311425 is a deficient number, since it is larger than the sum of its proper divisors (92649921647).

223512311425 is a wasteful number, since it uses less digits than its factorization.

223512311425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16678 (or 16673 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

Adding to 223512311425 its reverse (524113215322), we get a palindrome (747625526747).

The spelling of 223512311425 in words is "two hundred twenty-three billion, five hundred twelve million, three hundred eleven thousand, four hundred twenty-five".