3445123331 has 12 divisors (see below), whose sum is σ = 3781496208. Its totient is φ = 3120078624.

The previous prime is 3445123313. The next prime is 3445123343. The reversal of 3445123331 is 1333215443.

It is not a de Polignac number, because 3445123331 - 2⁶ = 3445123267 is a prime.

It is a super-2 number, since 2×3445123331² = 23737749531601071122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3445123294 and 3445123303.

It is not an unprimeable number, because it can be changed into a prime (3445123531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10655 + ... + 83688.

It is an arithmetic number, because the mean of its divisors is an integer number (315124684).

Almost surely, 2^3445123331 is an apocalyptic number.

3445123331 is a deficient number, since it is larger than the sum of its proper divisors (336372877).

3445123331 is an equidigital number, since it uses as much as digits as its factorization.

3445123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94462 (or 94409 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 3445123331 is about 58695.1729787041. The cubic root of 3445123331 is about 1510.3175115539.

Adding to 3445123331 its reverse (1333215443), we get a palindrome (4778338774).

The spelling of 3445123331 in words is "three billion, four hundred forty-five million, one hundred twenty-three thousand, three hundred thirty-one".