1023013111 has 8 divisors (see below), whose sum is σ = 1051171200. Its totient is φ = 994881888.

The previous prime is 1023013091. The next prime is 1023013157. The reversal of 1023013111 is 1113103201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023013111 - 2¹³ = 1023004919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023013091 and 1023013100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023013171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88890 + ... + 99736.

It is an arithmetic number, because the mean of its divisors is an integer number (131396400).

Almost surely, 2^1023013111 is an apocalyptic number.

1023013111 is a deficient number, since it is larger than the sum of its proper divisors (28158089).

1023013111 is a wasteful number, since it uses less digits than its factorization.

1023013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433.

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

The square root of 1023013111 is about 31984.5761422596. The cubic root of 1023013111 is about 1007.6129331748.

Adding to 1023013111 its reverse (1113103201), we get a palindrome (2136116312).

The spelling of 1023013111 in words is "one billion, twenty-three million, thirteen thousand, one hundred eleven".