3523923943 has 4 divisors (see below), whose sum is σ = 3590413128. Its totient is φ = 3457434760.

The previous prime is 3523923937. The next prime is 3523923971. The reversal of 3523923943 is 3493293253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3493293253 = 251 ⋅13917503.

It is a cyclic number.

It is not a de Polignac number, because 3523923943 - 2²⁵ = 3490369511 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 3523923943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3523923913) 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, 33244513 + ... + 33244618.

It is an arithmetic number, because the mean of its divisors is an integer number (897603282).

Almost surely, 2^3523923943 is an apocalyptic number.

3523923943 is a deficient number, since it is larger than the sum of its proper divisors (66489185).

3523923943 is an equidigital number, since it uses as much as digits as its factorization.

3523923943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66489184.

The product of its digits is 524880, while the sum is 43.

The square root of 3523923943 is about 59362.6477088076. The cubic root of 3523923943 is about 1521.7460232102.

The spelling of 3523923943 in words is "three billion, five hundred twenty-three million, nine hundred twenty-three thousand, nine hundred forty-three".