1012213023 has 8 divisors (see below), whose sum is σ = 1393153536. Its totient is φ = 653040600.

The previous prime is 1012213021. The next prime is 1012213051. The reversal of 1012213023 is 3203122101.

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

It is not a de Polignac number, because 1012213023 - 2¹ = 1012213021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012212993 and 1012213011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012213021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5441913 + ... + 5442098.

It is an arithmetic number, because the mean of its divisors is an integer number (174144192).

Almost surely, 2^1012213023 is an apocalyptic number.

1012213023 is a deficient number, since it is larger than the sum of its proper divisors (380940513).

1012213023 is a wasteful number, since it uses less digits than its factorization.

1012213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884045.

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

The square root of 1012213023 is about 31815.2954253139. The cubic root of 1012213023 is about 1004.0545461045.

Adding to 1012213023 its reverse (3203122101), we get a palindrome (4215335124).

The spelling of 1012213023 in words is "one billion, twelve million, two hundred thirteen thousand, twenty-three".