3870240823 has 2 divisors, whose sum is σ = 3870240824. Its totient is φ = 3870240822.

The previous prime is 3870240793. The next prime is 3870240833. The reversal of 3870240823 is 3280420783.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3870240823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870240833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935120411 + 1935120412.

It is an arithmetic number, because the mean of its divisors is an integer number (1935120412).

Almost surely, 2^3870240823 is an apocalyptic number.

3870240823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870240823 is an equidigital number, since it uses as much as digits as its factorization.

3870240823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 3870240823 is about 62211.2596159248. The cubic root of 3870240823 is about 1570.0470353875.

The spelling of 3870240823 in words is "three billion, eight hundred seventy million, two hundred forty thousand, eight hundred twenty-three".