1112020023 has 32 divisors (see below), whose sum is σ = 1547251200. Its totient is φ = 709986816.

The previous prime is 1112019991. The next prime is 1112020043. The reversal of 1112020023 is 3200202111.

It is not a de Polignac number, because 1112020023 - 2⁵ = 1112019991 is a prime.

It is a super-3 number, since 3×1112020023³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112019990 and 1112020008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112020043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149486 + ... + 1150452.

It is an arithmetic number, because the mean of its divisors is an integer number (48351600).

Almost surely, 2^1112020023 is an apocalyptic number.

1112020023 is a deficient number, since it is larger than the sum of its proper divisors (435231177).

1112020023 is an equidigital number, since it uses as much as digits as its factorization.

1112020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

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

The square root of 1112020023 is about 33346.9642246487. The cubic root of 1112020023 is about 1036.0265117344.

Adding to 1112020023 its reverse (3200202111), we get a palindrome (4312222134).

The spelling of 1112020023 in words is "one billion, one hundred twelve million, twenty thousand, twenty-three".