3145221023 has 16 divisors (see below), whose sum is σ = 3665620224. Its totient is φ = 2643114240.

The previous prime is 3145221019. The next prime is 3145221041. The reversal of 3145221023 is 3201225413.

It is a cyclic number.

It is not a de Polignac number, because 3145221023 - 2² = 3145221019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3145221023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145271023) 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, 51008 + ... + 94298.

It is an arithmetic number, because the mean of its divisors is an integer number (229101264).

Almost surely, 2^3145221023 is an apocalyptic number.

3145221023 is a deficient number, since it is larger than the sum of its proper divisors (520399201).

3145221023 is a wasteful number, since it uses less digits than its factorization.

3145221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43502.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3145221023 is about 56082.2701305858. The cubic root of 3145221023 is about 1465.1555120747.

Adding to 3145221023 its reverse (3201225413), we get a palindrome (6346446436).

The spelling of 3145221023 in words is "three billion, one hundred forty-five million, two hundred twenty-one thousand, twenty-three".