1020131223 has 16 divisors (see below), whose sum is σ = 1515985920. Its totient is φ = 606393216.

The previous prime is 1020131051. The next prime is 1020131251. The reversal of 1020131223 is 3221310201.

It is not a de Polignac number, because 1020131223 - 2⁸ = 1020130967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020131293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525415 + ... + 527352.

It is an arithmetic number, because the mean of its divisors is an integer number (94749120).

Almost surely, 2^1020131223 is an apocalyptic number.

1020131223 is a deficient number, since it is larger than the sum of its proper divisors (495854697).

1020131223 is a wasteful number, since it uses less digits than its factorization.

1020131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052806.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1020131223 is about 31939.4931550267. The cubic root of 1020131223 is about 1006.6658750463.

Adding to 1020131223 its reverse (3221310201), we get a palindrome (4241441424).

The spelling of 1020131223 in words is "one billion, twenty million, one hundred thirty-one thousand, two hundred twenty-three".