1010020323 has 16 divisors (see below), whose sum is σ = 1500297120. Its totient is φ = 600117504.

The previous prime is 1010020313. The next prime is 1010020343. The reversal of 1010020323 is 3230200101.

It is a happy number.

It is not a de Polignac number, because 1010020323 - 2⁹ = 1010019811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010020299 and 1010020308.

It is not an unprimeable number, because it can be changed into a prime (1010020313) 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 15 ways as a sum of consecutive naturals, for example, 445386 + ... + 447647.

It is an arithmetic number, because the mean of its divisors is an integer number (93768570).

Almost surely, 2^1010020323 is an apocalyptic number.

1010020323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1010020323 is a deficient number, since it is larger than the sum of its proper divisors (490276797).

1010020323 is a wasteful number, since it uses less digits than its factorization.

1010020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893078.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1010020323 is about 31780.8169026537. The cubic root of 1010020323 is about 1003.3290130411.

Adding to 1010020323 its reverse (3230200101), we get a palindrome (4240220424).

The spelling of 1010020323 in words is "one billion, ten million, twenty thousand, three hundred twenty-three".