3240202123 has 4 divisors (see below), whose sum is σ = 3246019920. Its totient is φ = 3234384328.

The previous prime is 3240202099. The next prime is 3240202139. The reversal of 3240202123 is 3212020423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212020423 = 20287 ⋅158329.

It is a cyclic number.

It is not a de Polignac number, because 3240202123 - 2⁹ = 3240201611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3240202123.

It is not an unprimeable number, because it can be changed into a prime (3240212123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2908063 + ... + 2909176.

It is an arithmetic number, because the mean of its divisors is an integer number (811504980).

Almost surely, 2^3240202123 is an apocalyptic number.

3240202123 is a deficient number, since it is larger than the sum of its proper divisors (5817797).

3240202123 is an equidigital number, since it uses as much as digits as its factorization.

3240202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817796.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3240202123 is about 56922.7733249180. The cubic root of 3240202123 is about 1479.7580142167.

Adding to 3240202123 its reverse (3212020423), we get a palindrome (6452222546).

The spelling of 3240202123 in words is "three billion, two hundred forty million, two hundred two thousand, one hundred twenty-three".