2043523506 has 16 divisors (see below), whose sum is σ = 4127514048. Its totient is φ = 674430000.

The previous prime is 2043523499. The next prime is 2043523553. The reversal of 2043523506 is 6053253402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685470 + ... + 1686681.

It is an arithmetic number, because the mean of its divisors is an integer number (257969628).

Almost surely, 2^2043523506 is an apocalyptic number.

2043523506 is an abundant number, since it is smaller than the sum of its proper divisors (2083990542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2043523506 is a wasteful number, since it uses less digits than its factorization.

2043523506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372257.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2043523506 is about 45205.3482012914. The cubic root of 2043523506 is about 1268.9949073326.

Adding to 2043523506 its reverse (6053253402), we get a palindrome (8096776908).

The spelling of 2043523506 in words is "two billion, forty-three million, five hundred twenty-three thousand, five hundred six".