1010023213 has 2 divisors, whose sum is σ = 1010023214. Its totient is φ = 1010023212.

The previous prime is 1010023187. The next prime is 1010023237. The reversal of 1010023213 is 3123200101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 738861124 + 271162089 = 27182^2 + 16467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010023213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010023193 and 1010023202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010023013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505011606 + 505011607.

It is an arithmetic number, because the mean of its divisors is an integer number (505011607).

Almost surely, 2^1010023213 is an apocalyptic number.

It is an amenable number.

1010023213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010023213 is an equidigital number, since it uses as much as digits as its factorization.

1010023213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1010023213 is about 31780.8623703008. The cubic root of 1010023213 is about 1003.3299699915.

Adding to 1010023213 its reverse (3123200101), we get a palindrome (4133223314).

The spelling of 1010023213 in words is "one billion, ten million, twenty-three thousand, two hundred thirteen".