1021133023 has 8 divisors (see below), whose sum is σ = 1032151680. Its totient is φ = 1010173080.

The previous prime is 1021133011. The next prime is 1021133041. The reversal of 1021133023 is 3203311201.

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 1021133023 - 2⁵ = 1021132991 is a prime.

It is a super-2 number, since 2×1021133023² = 2085425301322237058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021132988 and 1021133006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021133063) 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, 20748 + ... + 49726.

It is an arithmetic number, because the mean of its divisors is an integer number (129018960).

Almost surely, 2^1021133023 is an apocalyptic number.

1021133023 is a deficient number, since it is larger than the sum of its proper divisors (11018657).

1021133023 is a wasteful number, since it uses less digits than its factorization.

1021133023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29357.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1021133023 is about 31955.1720852822. The cubic root of 1021133023 is about 1006.9952927761.

Adding to 1021133023 its reverse (3203311201), we get a palindrome (4224444224).

It can be divided in two parts, 10211 and 33023, that added together give a palindrome (43234).

The spelling of 1021133023 in words is "one billion, twenty-one million, one hundred thirty-three thousand, twenty-three".