423040122277 has 2 divisors, whose sum is σ = 423040122278. Its totient is φ = 423040122276.

The previous prime is 423040122221. The next prime is 423040122287. The reversal of 423040122277 is 772221040324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324716485921 + 98323636356 = 569839^2 + 313566^2 .

It is a cyclic number.

It is not a de Polignac number, because 423040122277 - 2⁷ = 423040122149 is a prime.

It is a super-2 number, since 2×423040122277² (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 (423040122287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211520061138 + 211520061139.

It is an arithmetic number, because the mean of its divisors is an integer number (211520061139).

Almost surely, 2^423040122277 is an apocalyptic number.

It is an amenable number.

423040122277 is a deficient number, since it is larger than the sum of its proper divisors (1).

423040122277 is an equidigital number, since it uses as much as digits as its factorization.

423040122277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 423040122277 in words is "four hundred twenty-three billion, forty million, one hundred twenty-two thousand, two hundred seventy-seven".