423777466601 has 8 divisors (see below), whose sum is σ = 428112145800. Its totient is φ = 419445510400.

The previous prime is 423777466577. The next prime is 423777466613. The reversal of 423777466601 is 106664777324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 362375104576 + 61402362025 = 601976^2 + 247795^2 .

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 423777466601 - 2⁶ = 423777466537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423777406601) 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, 367166 + ... + 991143.

It is an arithmetic number, because the mean of its divisors is an integer number (53514018225).

Almost surely, 2^423777466601 is an apocalyptic number.

It is an amenable number.

423777466601 is a deficient number, since it is larger than the sum of its proper divisors (4334679199).

423777466601 is a wasteful number, since it uses less digits than its factorization.

423777466601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361499.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 423777466601 in words is "four hundred twenty-three billion, seven hundred seventy-seven million, four hundred sixty-six thousand, six hundred one".