1223231042 has 16 divisors (see below), whose sum is σ = 2005264512. Its totient is φ = 555010320.

The previous prime is 1223231021. The next prime is 1223231059. The reversal of 1223231042 is 2401323221.

It is a super-2 number, since 2×1223231042² = 2992588364224811528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37658 + ... + 62165.

It is an arithmetic number, because the mean of its divisors is an integer number (125329032).

Almost surely, 2^1223231042 is an apocalyptic number.

1223231042 is a deficient number, since it is larger than the sum of its proper divisors (782033470).

1223231042 is a wasteful number, since it uses less digits than its factorization.

1223231042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100393.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1223231042 is about 34974.7200417673. The cubic root of 1223231042 is about 1069.4721949256.

Adding to 1223231042 its reverse (2401323221), we get a palindrome (3624554263).

The spelling of 1223231042 in words is "one billion, two hundred twenty-three million, two hundred thirty-one thousand, forty-two".