2012523023 has 16 divisors (see below), whose sum is σ = 2455850496. Its totient is φ = 1611640800.

The previous prime is 2012522987. The next prime is 2012523059. The reversal of 2012523023 is 3203252102.

It is an interprime number because it is at equal distance from previous prime (2012522987) and next prime (2012523059).

It is not a de Polignac number, because 2012523023 - 2²² = 2008328719 is a prime.

It is a super-4 number, since 4×2012523023⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012522986 and 2012523004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012526023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138428 + ... + 152273.

It is an arithmetic number, because the mean of its divisors is an integer number (153490656).

Almost surely, 2^2012523023 is an apocalyptic number.

2012523023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2012523023 is a deficient number, since it is larger than the sum of its proper divisors (443327473).

2012523023 is a wasteful number, since it uses less digits than its factorization.

2012523023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290774.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2012523023 is about 44861.1527159078. The cubic root of 2012523023 is about 1262.5452503861.

Adding to 2012523023 its reverse (3203252102), we get a palindrome (5215775125).

The spelling of 2012523023 in words is "two billion, twelve million, five hundred twenty-three thousand, twenty-three".