3123404387 has 2 divisors, whose sum is σ = 3123404388. Its totient is φ = 3123404386.

The previous prime is 3123404369. The next prime is 3123404399. The reversal of 3123404387 is 7834043213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3123404387 - 2²⁸ = 2854968931 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123406387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561702193 + 1561702194.

It is an arithmetic number, because the mean of its divisors is an integer number (1561702194).

Almost surely, 2^3123404387 is an apocalyptic number.

3123404387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123404387 is an equidigital number, since it uses as much as digits as its factorization.

3123404387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 3123404387 is about 55887.4260187388. The cubic root of 3123404387 is about 1461.7599947054.

The spelling of 3123404387 in words is "three billion, one hundred twenty-three million, four hundred four thousand, three hundred eighty-seven".