1012323228 has 48 divisors (see below), whose sum is σ = 2786617344. Its totient is φ = 279904320.

The previous prime is 1012323209. The next prime is 1012323229. The reversal of 1012323228 is 8223232101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012323198 and 1012323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012323229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191775 + ... + 196982.

It is an arithmetic number, because the mean of its divisors is an integer number (58054528).

Almost surely, 2^1012323228 is an apocalyptic number.

It is an amenable number.

1012323228 is an abundant number, since it is smaller than the sum of its proper divisors (1774294116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012323228 is a wasteful number, since it uses less digits than its factorization.

1012323228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388802 (or 388800 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1012323228 is about 31817.0273281462. The cubic root of 1012323228 is about 1004.0909836966.

Adding to 1012323228 its reverse (8223232101), we get a palindrome (9235555329).

The spelling of 1012323228 in words is "one billion, twelve million, three hundred twenty-three thousand, two hundred twenty-eight".