1010101023 has 20 divisors (see below), whose sum is σ = 1515709888. Its totient is φ = 670368960.

The previous prime is 1010101007. The next prime is 1010101039. The reversal of 1010101023 is 3201010101.

It is an interprime number because it is at equal distance from previous prime (1010101007) and next prime (1010101039).

It is not a de Polignac number, because 1010101023 - 2⁴ = 1010101007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010100996 and 1010101014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010101093) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9898 + ... + 46023.

Almost surely, 2^1010101023 is an apocalyptic number.

1010101023 is a deficient number, since it is larger than the sum of its proper divisors (505608865).

1010101023 is an equidigital number, since it uses as much as digits as its factorization.

1010101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56156 (or 56147 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1010101023 is about 31782.0865111150. The cubic root of 1010101023 is about 1003.3557341189.

Adding to 1010101023 its reverse (3201010101), we get a palindrome (4211111124).

The spelling of 1010101023 in words is "one billion, ten million, one hundred one thousand, twenty-three".