1011020202323 has 4 divisors (see below), whose sum is σ = 1054977602448. Its totient is φ = 967062802200.

The previous prime is 1011020202317. The next prime is 1011020202329. The reversal of 1011020202323 is 3232020201101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1011020202317) and next prime (1011020202329).

It is a cyclic number.

It is not a de Polignac number, because 1011020202323 - 2²⁸ = 1010751766867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011020202329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21978700028 + ... + 21978700073.

It is an arithmetic number, because the mean of its divisors is an integer number (263744400612).

Almost surely, 2^{1011020202323} is an apocalyptic number.

1011020202323 is a deficient number, since it is larger than the sum of its proper divisors (43957400125).

1011020202323 is an equidigital number, since it uses as much as digits as its factorization.

1011020202323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43957400124.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1011020202323 its reverse (3232020201101), we get a palindrome (4243040403424).

The spelling of 1011020202323 in words is "one trillion, eleven billion, twenty million, two hundred two thousand, three hundred twenty-three".