423770618461 has 8 divisors (see below), whose sum is σ = 424284189048. Its totient is φ = 423257184000.

The previous prime is 423770618443. The next prime is 423770618473. The reversal of 423770618461 is 164816077324.

It can be written as a sum of positive squares in 4 ways, for example, as 170742504100 + 253028114361 = 413210^2 + 503019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423770618461 - 2²³ = 423762229853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423770615461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7085121 + ... + 7144681.

It is an arithmetic number, because the mean of its divisors is an integer number (53035523631).

Almost surely, 2^423770618461 is an apocalyptic number.

It is an amenable number.

423770618461 is a deficient number, since it is larger than the sum of its proper divisors (513570587).

423770618461 is an equidigital number, since it uses as much as digits as its factorization.

423770618461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68063.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 423770618461 in words is "four hundred twenty-three billion, seven hundred seventy million, six hundred eighteen thousand, four hundred sixty-one".