423505035261 has 96 divisors (see below), whose sum is σ = 772217761536. Its totient is φ = 217261440000.

The previous prime is 423505035253. The next prime is 423505035271. The reversal of 423505035261 is 162530505324.

423505035261 is a `hidden beast` number, since 42 + 3 + 5 + 0 + 503 + 52 + 61 = 666.

It is not a de Polignac number, because 423505035261 - 2³ = 423505035253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423505035251) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27779601 + ... + 27794841.

It is an arithmetic number, because the mean of its divisors is an integer number (8043935016).

Almost surely, 2^423505035261 is an apocalyptic number.

It is an amenable number.

423505035261 is a deficient number, since it is larger than the sum of its proper divisors (348712726275).

423505035261 is a wasteful number, since it uses less digits than its factorization.

423505035261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15763 (or 15760 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 423505035261 in words is "four hundred twenty-three billion, five hundred five million, thirty-five thousand, two hundred sixty-one".