223013020231 has 4 divisors (see below), whose sum is σ = 223278829200. Its totient is φ = 222747211264.

The previous prime is 223013020207. The next prime is 223013020249. The reversal of 223013020231 is 132020310322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223013020231 - 2⁷ = 223013020103 is a prime.

It is a super-2 number, since 2×223013020231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223013020199 and 223013020208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223013020331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132903226 + ... + 132904903.

It is an arithmetic number, because the mean of its divisors is an integer number (55819707300).

Almost surely, 2^223013020231 is an apocalyptic number.

223013020231 is a deficient number, since it is larger than the sum of its proper divisors (265808969).

223013020231 is an equidigital number, since it uses as much as digits as its factorization.

223013020231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265808968.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 223013020231 its reverse (132020310322), we get a palindrome (355033330553).

The spelling of 223013020231 in words is "two hundred twenty-three billion, thirteen million, twenty thousand, two hundred thirty-one".