376400243 has 2 divisors, whose sum is σ = 376400244. Its totient is φ = 376400242.

The previous prime is 376400237. The next prime is 376400261. The reversal of 376400243 is 342004673.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 376400243 - 2²⁰ = 375351667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (376400263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188200121 + 188200122.

It is an arithmetic number, because the mean of its divisors is an integer number (188200122).

Almost surely, 2^376400243 is an apocalyptic number.

376400243 is a deficient number, since it is larger than the sum of its proper divisors (1).

376400243 is an equidigital number, since it uses as much as digits as its factorization.

376400243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 376400243 is about 19401.0371629972. The cubic root of 376400243 is about 722.0212258092.

The spelling of 376400243 in words is "three hundred seventy-six million, four hundred thousand, two hundred forty-three".