423515000143 has 2 divisors, whose sum is σ = 423515000144. Its totient is φ = 423515000142.

The previous prime is 423515000093. The next prime is 423515000221. The reversal of 423515000143 is 341000515324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423515000143 - 2²⁵ = 423481445711 is a prime.

It is a super-2 number, since 2×423515000143² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423515000243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211757500071 + 211757500072.

It is an arithmetic number, because the mean of its divisors is an integer number (211757500072).

Almost surely, 2^423515000143 is an apocalyptic number.

423515000143 is a deficient number, since it is larger than the sum of its proper divisors (1).

423515000143 is an equidigital number, since it uses as much as digits as its factorization.

423515000143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 423515000143 its reverse (341000515324), we get a palindrome (764515515467).

The spelling of 423515000143 in words is "four hundred twenty-three billion, five hundred fifteen million, one hundred forty-three", and thus it is an aban number.