3156804823 has 4 divisors (see below), whose sum is σ = 3159934480. Its totient is φ = 3153675168.

The previous prime is 3156804737. The next prime is 3156804877. The reversal of 3156804823 is 3284086513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3284086513 = 3877 ⋅847069.

It is a cyclic number.

It is not a de Polignac number, because 3156804823 - 2²⁵ = 3123250391 is a prime.

It is a super-2 number, since 2×3156804823² = 19930833381032122658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156804883) 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, 1563315 + ... + 1565332.

It is an arithmetic number, because the mean of its divisors is an integer number (789983620).

Almost surely, 2^3156804823 is an apocalyptic number.

3156804823 is a deficient number, since it is larger than the sum of its proper divisors (3129657).

3156804823 is a wasteful number, since it uses less digits than its factorization.

3156804823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129656.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 3156804823 is about 56185.4502785196. The cubic root of 3156804823 is about 1466.9520233395.

The spelling of 3156804823 in words is "three billion, one hundred fifty-six million, eight hundred four thousand, eight hundred twenty-three".