238045403 has 2 divisors, whose sum is σ = 238045404. Its totient is φ = 238045402.

The previous prime is 238045399. The next prime is 238045429. The reversal of 238045403 is 304540832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238045403 - 2² = 238045399 is a prime.

It is a super-2 number, since 2×238045403² = 113331227778864818, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (238045453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119022701 + 119022702.

It is an arithmetic number, because the mean of its divisors is an integer number (119022702).

Almost surely, 2^238045403 is an apocalyptic number.

238045403 is a deficient number, since it is larger than the sum of its proper divisors (1).

238045403 is an equidigital number, since it uses as much as digits as its factorization.

238045403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 238045403 is about 15428.7200700512. The cubic root of 238045403 is about 619.7548484479.

The spelling of 238045403 in words is "two hundred thirty-eight million, forty-five thousand, four hundred three".