223231426011 has 40 divisors (see below), whose sum is σ = 363838837824. Its totient is φ = 135271583280.

The previous prime is 223231426003. The next prime is 223231426031. The reversal of 223231426011 is 110624132322.

223231426011 is a `hidden beast` number, since 2 + 2 + 3 + 231 + 426 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 223231426011 - 2³ = 223231426003 is a prime.

It is a super-3 number, since 3×223231426011³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223231426031) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7779256 + ... + 7807898.

Almost surely, 2^223231426011 is an apocalyptic number.

223231426011 is a deficient number, since it is larger than the sum of its proper divisors (140607411813).

223231426011 is a wasteful number, since it uses less digits than its factorization.

223231426011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37413 (or 37404 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 223231426011 its reverse (110624132322), we get a palindrome (333855558333).

The spelling of 223231426011 in words is "two hundred twenty-three billion, two hundred thirty-one million, four hundred twenty-six thousand, eleven".