223131156825 has 24 divisors (see below), whose sum is σ = 369282562816. Its totient is φ = 118883160000.

The previous prime is 223131156823. The next prime is 223131156827. The reversal of 223131156825 is 528651131322.

It is an interprime number because it is at equal distance from previous prime (223131156823) and next prime (223131156827).

It is not a de Polignac number, because 223131156825 - 2¹ = 223131156823 is a prime.

It is a super-3 number, since 3×223131156825³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223131156821) 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, 1426726 + ... + 1575375.

Almost surely, 2^223131156825 is an apocalyptic number.

223131156825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

223131156825 is a deficient number, since it is larger than the sum of its proper divisors (146151405991).

223131156825 is a wasteful number, since it uses less digits than its factorization.

223131156825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003105 (or 3003100 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The spelling of 223131156825 in words is "two hundred twenty-three billion, one hundred thirty-one million, one hundred fifty-six thousand, eight hundred twenty-five".