3545123231 has 8 divisors (see below), whose sum is σ = 3818340624. Its totient is φ = 3271979520.

The previous prime is 3545123207. The next prime is 3545123233. The reversal of 3545123231 is 1323215453.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3545123231 - 2⁶ = 3545123167 is a prime.

It is a super-2 number, since 2×3545123231² = 25135797445951758722, 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 = 3545123194 and 3545123203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545123233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120191 + ... + 146751.

It is an arithmetic number, because the mean of its divisors is an integer number (477292578).

Almost surely, 2^3545123231 is an apocalyptic number.

3545123231 is a deficient number, since it is larger than the sum of its proper divisors (273217393).

3545123231 is a wasteful number, since it uses less digits than its factorization.

3545123231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36841.

The product of its digits is 10800, while the sum is 29.

The square root of 3545123231 is about 59540.9374380350. The cubic root of 3545123231 is about 1524.7914405819.

Adding to 3545123231 its reverse (1323215453), we get a palindrome (4868338684).

The spelling of 3545123231 in words is "three billion, five hundred forty-five million, one hundred twenty-three thousand, two hundred thirty-one".