4012812023 has 16 divisors (see below), whose sum is σ = 4506848640. Its totient is φ = 3540794400.

The previous prime is 4012812007. The next prime is 4012812029. The reversal of 4012812023 is 3202182104.

It is a happy number.

It is not a de Polignac number, because 4012812023 - 2⁴ = 4012812007 is a prime.

It is a super-2 number, since 2×4012812023² = 32205320663866705058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4012812023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012812029) 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, 158768 + ... + 182298.

It is an arithmetic number, because the mean of its divisors is an integer number (281678040).

Almost surely, 2^4012812023 is an apocalyptic number.

4012812023 is a deficient number, since it is larger than the sum of its proper divisors (494036617).

4012812023 is a wasteful number, since it uses less digits than its factorization.

4012812023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23998.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4012812023 is about 63346.7601618267. The cubic root of 4012812023 is about 1589.0940639094.

Adding to 4012812023 its reverse (3202182104), we get a palindrome (7214994127).

It can be divided in two parts, 401281 and 2023, that added together give a palindrome (403304).

The spelling of 4012812023 in words is "four billion, twelve million, eight hundred twelve thousand, twenty-three".