1023130111 has 4 divisors (see below), whose sum is σ = 1030598352. Its totient is φ = 1015661872.

The previous prime is 1023130099. The next prime is 1023130117. The reversal of 1023130111 is 1110313201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1110313201 = 23 ⋅48274487.

It is a cyclic number.

It is not a de Polignac number, because 1023130111 - 2⁵ = 1023130079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023130091 and 1023130100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023130117) 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, 3733915 + ... + 3734188.

It is an arithmetic number, because the mean of its divisors is an integer number (257649588).

Almost surely, 2^1023130111 is an apocalyptic number.

1023130111 is a deficient number, since it is larger than the sum of its proper divisors (7468241).

1023130111 is an equidigital number, since it uses as much as digits as its factorization.

1023130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468240.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1023130111 is about 31986.4050965406. The cubic root of 1023130111 is about 1007.6513446145.

Adding to 1023130111 its reverse (1110313201), we get a palindrome (2133443312).

The spelling of 1023130111 in words is "one billion, twenty-three million, one hundred thirty thousand, one hundred eleven".