3123406476 has 36 divisors (see below), whose sum is σ = 7923201832. Its totient is φ = 1037453184.

The previous prime is 3123406471. The next prime is 3123406477. The reversal of 3123406476 is 6746043213.

It is a happy number.

3123406476 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 4 + 0 + 647 + 6 = 666.

3123406476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3123406476.

It is not an unprimeable number, because it can be changed into a prime (3123406471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143101 + ... + 163476.

Almost surely, 2^3123406476 is an apocalyptic number.

3123406476 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3123406476 is an abundant number, since it is smaller than the sum of its proper divisors (4799795356).

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

3123406476 is a wasteful number, since it uses less digits than its factorization.

3123406476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306870 (or 306865 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 3123406476 is about 55887.4447080916. Note that the first 3 decimals coincide. The cubic root of 3123406476 is about 1461.7603205908.

Adding to 3123406476 its reverse (6746043213), we get a palindrome (9869449689).

The spelling of 3123406476 in words is "three billion, one hundred twenty-three million, four hundred six thousand, four hundred seventy-six".