3815450375123 has 2 divisors, whose sum is σ = 3815450375124. Its totient is φ = 3815450375122.

The previous prime is 3815450375117. The next prime is 3815450375131. The reversal of 3815450375123 is 3215730545183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3815450375123 - 2⁸ = 3815450374867 is a prime.

It is not a weakly prime, because it can be changed into another prime (3815450375423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1907725187561 + 1907725187562.

It is an arithmetic number, because the mean of its divisors is an integer number (1907725187562).

Almost surely, 2^{3815450375123} is an apocalyptic number.

3815450375123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3815450375123 is an equidigital number, since it uses as much as digits as its factorization.

3815450375123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 3815450375123 in words is "three trillion, eight hundred fifteen billion, four hundred fifty million, three hundred seventy-five thousand, one hundred twenty-three".