400230373 has 2 divisors, whose sum is σ = 400230374. Its totient is φ = 400230372.

The previous prime is 400230349. The next prime is 400230403. The reversal of 400230373 is 373032004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340291809 + 59938564 = 18447^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 400230373 - 2¹³ = 400222181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400230343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200115186 + 200115187.

It is an arithmetic number, because the mean of its divisors is an integer number (200115187).

Almost surely, 2^400230373 is an apocalyptic number.

It is an amenable number.

400230373 is a deficient number, since it is larger than the sum of its proper divisors (1).

400230373 is an equidigital number, since it uses as much as digits as its factorization.

400230373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 400230373 is about 20005.7584959931. The cubic root of 400230373 is about 736.9477228129.

Adding to 400230373 its reverse (373032004), we get a palindrome (773262377).

The spelling of 400230373 in words is "four hundred million, two hundred thirty thousand, three hundred seventy-three".