402400031423003 has 2 divisors, whose sum is σ = 402400031423004. Its totient is φ = 402400031423002.

The previous prime is 402400031422999. The next prime is 402400031423009. The reversal of 402400031423003 is 300324130004204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402400031423003 - 2² = 402400031422999 is a prime.

It is not a weakly prime, because it can be changed into another prime (402400031423009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201200015711501 + 201200015711502.

It is an arithmetic number, because the mean of its divisors is an integer number (201200015711502).

Almost surely, 2^{402400031423003} is an apocalyptic number.

402400031423003 is a deficient number, since it is larger than the sum of its proper divisors (1).

402400031423003 is an equidigital number, since it uses as much as digits as its factorization.

402400031423003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 402400031423003 its reverse (300324130004204), we get a palindrome (702724161427207).

The spelling of 402400031423003 in words is "four hundred two trillion, four hundred billion, thirty-one million, four hundred twenty-three thousand, three".