1011330023 has 4 divisors (see below), whose sum is σ = 1103269128. Its totient is φ = 919390920.

The previous prime is 1011329993. The next prime is 1011330053. The reversal of 1011330023 is 3200331101.

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 (1011329993) and next prime (1011330053).

It is a cyclic number.

It is not a de Polignac number, because 1011330023 - 2¹⁶ = 1011264487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011330053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45969536 + ... + 45969557.

It is an arithmetic number, because the mean of its divisors is an integer number (275817282).

Almost surely, 2^1011330023 is an apocalyptic number.

1011330023 is a deficient number, since it is larger than the sum of its proper divisors (91939105).

1011330023 is an equidigital number, since it uses as much as digits as its factorization.

1011330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91939104.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1011330023 is about 31801.4154244744. The cubic root of 1011330023 is about 1003.7625001713.

Adding to 1011330023 its reverse (3200331101), we get a palindrome (4211661124).

The spelling of 1011330023 in words is "one billion, eleven million, three hundred thirty thousand, twenty-three".