223231012011 has 48 divisors (see below), whose sum is σ = 383124081600. Its totient is φ = 125153683200.

The previous prime is 223231012009. The next prime is 223231012013. The reversal of 223231012011 is 110210132322.

223231012011 is a `hidden beast` number, since 2 + 232 + 310 + 120 + 1 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (223231012009) and next prime (223231012013).

It is not a de Polignac number, because 223231012011 - 2¹ = 223231012009 is a prime.

It is a super-3 number, since 3×223231012011³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223231012013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 518590 + ... + 845811.

It is an arithmetic number, because the mean of its divisors is an integer number (7981751700).

Almost surely, 2^223231012011 is an apocalyptic number.

223231012011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223231012011 is a deficient number, since it is larger than the sum of its proper divisors (159893069589).

223231012011 is a wasteful number, since it uses less digits than its factorization.

223231012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364481 (or 1364464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223231012011 its reverse (110210132322), we get a palindrome (333441144333).

The spelling of 223231012011 in words is "two hundred twenty-three billion, two hundred thirty-one million, twelve thousand, eleven".