1002112023 has 16 divisors (see below), whose sum is σ = 1507881600. Its totient is φ = 586397280.

The previous prime is 1002112019. The next prime is 1002112043. The reversal of 1002112023 is 3202112001.

It is not a de Polignac number, because 1002112023 - 2² = 1002112019 is a prime.

It is a super-3 number, since 3×1002112023³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002112043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522613 + ... + 524526.

It is an arithmetic number, because the mean of its divisors is an integer number (94242600).

Almost surely, 2^1002112023 is an apocalyptic number.

1002112023 is a deficient number, since it is larger than the sum of its proper divisors (505769577).

1002112023 is a wasteful number, since it uses less digits than its factorization.

1002112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047182.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1002112023 is about 31656.1530038001. The cubic root of 1002112023 is about 1000.7035126206.

Adding to 1002112023 its reverse (3202112001), we get a palindrome (4204224024).

The spelling of 1002112023 in words is "one billion, two million, one hundred twelve thousand, twenty-three".