423423125455373 has 2 divisors, whose sum is σ = 423423125455374. Its totient is φ = 423423125455372.

The previous prime is 423423125455301. The next prime is 423423125455397. The reversal of 423423125455373 is 373554521324324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275866786940644 + 147556338514729 = 16609238^2 + 12147277^2 .

It is a cyclic number.

It is not a de Polignac number, because 423423125455373 - 2²⁸ = 423422857019917 is a prime.

It is a super-2 number, since 2×423423125455373² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423423125455073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211711562727686 + 211711562727687.

It is an arithmetic number, because the mean of its divisors is an integer number (211711562727687).

Almost surely, 2^{423423125455373} is an apocalyptic number.

It is an amenable number.

423423125455373 is a deficient number, since it is larger than the sum of its proper divisors (1).

423423125455373 is an equidigital number, since it uses as much as digits as its factorization.

423423125455373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288000, while the sum is 53.

Adding to 423423125455373 its reverse (373554521324324), we get a palindrome (796977646779697).

The spelling of 423423125455373 in words is "four hundred twenty-three trillion, four hundred twenty-three billion, one hundred twenty-five million, four hundred fifty-five thousand, three hundred seventy-three".