223718506725 has 24 divisors (see below), whose sum is σ = 422721446080. Its totient is φ = 102271317120.

The previous prime is 223718506721. The next prime is 223718506729. The reversal of 223718506725 is 527605817322.

It is an interprime number because it is at equal distance from previous prime (223718506721) and next prime (223718506729).

It is not a de Polignac number, because 223718506725 - 2² = 223718506721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223718506721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 213064720 + ... + 213065769.

Almost surely, 2^223718506725 is an apocalyptic number.

223718506725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223718506725 is a deficient number, since it is larger than the sum of its proper divisors (199002939355).

223718506725 is a wasteful number, since it uses less digits than its factorization.

223718506725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426130509 (or 426130504 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 223718506725 in words is "two hundred twenty-three billion, seven hundred eighteen million, five hundred six thousand, seven hundred twenty-five".