423300144040993 has 2 divisors, whose sum is σ = 423300144040994. Its totient is φ = 423300144040992.

The previous prime is 423300144040987. The next prime is 423300144041081. The reversal of 423300144040993 is 399040441003324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359286831348769 + 64013312692224 = 18954863^2 + 8000832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423300144040993 is a prime.

It is not a weakly prime, because it can be changed into another prime (423300144040933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211650072020496 + 211650072020497.

It is an arithmetic number, because the mean of its divisors is an integer number (211650072020497).

Almost surely, 2^{423300144040993} is an apocalyptic number.

It is an amenable number.

423300144040993 is a deficient number, since it is larger than the sum of its proper divisors (1).

423300144040993 is an equidigital number, since it uses as much as digits as its factorization.

423300144040993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 423300144040993 in words is "four hundred twenty-three trillion, three hundred billion, one hundred forty-four million, forty thousand, nine hundred ninety-three".