1021103023 has 8 divisors (see below), whose sum is σ = 1052697888. Its totient is φ = 989718624.

The previous prime is 1021103003. The next prime is 1021103047. The reversal of 1021103023 is 3203011201.

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

It is not a de Polignac number, because 1021103023 - 2¹³ = 1021094831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021102994 and 1021103012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021103003) 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, 42736 + ... + 62197.

It is an arithmetic number, because the mean of its divisors is an integer number (131587236).

Almost surely, 2^1021103023 is an apocalyptic number.

1021103023 is a deficient number, since it is larger than the sum of its proper divisors (31594865).

1021103023 is a wasteful number, since it uses less digits than its factorization.

1021103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105233.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1021103023 is about 31954.7026742544. The cubic root of 1021103023 is about 1006.9854311310.

Adding to 1021103023 its reverse (3203011201), we get a palindrome (4224114224).

The spelling of 1021103023 in words is "one billion, twenty-one million, one hundred three thousand, twenty-three".