1012231023 has 8 divisors (see below), whose sum is σ = 1420675200. Its totient is φ = 639303768.

The previous prime is 1012231019. The next prime is 1012231027. The reversal of 1012231023 is 3201322101.

It is an interprime number because it is at equal distance from previous prime (1012231019) and next prime (1012231027).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1012231023 - 2² = 1012231019 is a prime.

It is a super-2 number, since 2×1012231023² = 2049223287847253058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012230993 and 1012231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012231027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8879163 + ... + 8879276.

It is an arithmetic number, because the mean of its divisors is an integer number (177584400).

Almost surely, 2^1012231023 is an apocalyptic number.

1012231023 is a deficient number, since it is larger than the sum of its proper divisors (408444177).

1012231023 is a wasteful number, since it uses less digits than its factorization.

1012231023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17758461.

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

The square root of 1012231023 is about 31815.5783068609. The cubic root of 1012231023 is about 1004.0604977090.

Adding to 1012231023 its reverse (3201322101), we get a palindrome (4213553124).

The spelling of 1012231023 in words is "one billion, twelve million, two hundred thirty-one thousand, twenty-three".