1141011023 has 4 divisors (see below), whose sum is σ = 1141298808. Its totient is φ = 1140723240.

The previous prime is 1141010999. The next prime is 1141011029. The reversal of 1141011023 is 3201101411.

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

It is a cyclic number.

It is not a de Polignac number, because 1141011023 - 2²⁸ = 872575567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141010989 and 1141011007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141011029) 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, 137861 + ... + 145902.

It is an arithmetic number, because the mean of its divisors is an integer number (285324702).

Almost surely, 2^1141011023 is an apocalyptic number.

1141011023 is a deficient number, since it is larger than the sum of its proper divisors (287785).

1141011023 is an equidigital number, since it uses as much as digits as its factorization.

1141011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287784.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1141011023 is about 33778.8546727091. The cubic root of 1141011023 is about 1044.9526540060.

Adding to 1141011023 its reverse (3201101411), we get a palindrome (4342112434).

The spelling of 1141011023 in words is "one billion, one hundred forty-one million, eleven thousand, twenty-three".