1002023113 has 8 divisors (see below), whose sum is σ = 1233259328. Its totient is φ = 792809424.

The previous prime is 1002023101. The next prime is 1002023119. The reversal of 1002023113 is 3113202001.

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 1002023113 - 2¹³ = 1002014921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1002023093 and 1002023102.

It is not an unprimeable number, because it can be changed into a prime (1002023119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505531 + ... + 5505712.

It is an arithmetic number, because the mean of its divisors is an integer number (154157416).

Almost surely, 2^1002023113 is an apocalyptic number.

1002023113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1002023113 is a deficient number, since it is larger than the sum of its proper divisors (231236215).

1002023113 is a wasteful number, since it uses less digits than its factorization.

1002023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011263.

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

The square root of 1002023113 is about 31654.7486643000. The cubic root of 1002023113 is about 1000.6739167342.

Adding to 1002023113 its reverse (3113202001), we get a palindrome (4115225114).

It can be divided in two parts, 10020 and 23113, that added together give a palindrome (33133).

The spelling of 1002023113 in words is "one billion, two million, twenty-three thousand, one hundred thirteen".