403242423377 has 2 divisors, whose sum is σ = 403242423378. Its totient is φ = 403242423376.

The previous prime is 403242423347. The next prime is 403242423427. The reversal of 403242423377 is 773324242304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311694423616 + 91547999761 = 558296^2 + 302569^2 .

It is a cyclic number.

It is not a de Polignac number, because 403242423377 - 2⁶ = 403242423313 is a prime.

It is not a weakly prime, because it can be changed into another prime (403242423307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201621211688 + 201621211689.

It is an arithmetic number, because the mean of its divisors is an integer number (201621211689).

Almost surely, 2^403242423377 is an apocalyptic number.

It is an amenable number.

403242423377 is a deficient number, since it is larger than the sum of its proper divisors (1).

403242423377 is an equidigital number, since it uses as much as digits as its factorization.

403242423377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 41.

The spelling of 403242423377 in words is "four hundred three billion, two hundred forty-two million, four hundred twenty-three thousand, three hundred seventy-seven".