423360561 has 16 divisors (see below), whose sum is σ = 608549760. Its totient is φ = 260252160.

The previous prime is 423360541. The next prime is 423360601. The reversal of 423360561 is 165063324.

It is not a de Polignac number, because 423360561 - 2¹⁰ = 423359537 is a prime.

It is a super-2 number, since 2×423360561² = 358468329220469442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423360541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34945 + ... + 45473.

It is an arithmetic number, because the mean of its divisors is an integer number (38034360).

Almost surely, 2^423360561 is an apocalyptic number.

It is an amenable number.

423360561 is a deficient number, since it is larger than the sum of its proper divisors (185189199).

423360561 is a wasteful number, since it uses less digits than its factorization.

423360561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 423360561 is about 20575.7274719510. The cubic root of 423360561 is about 750.8793011476.

The spelling of 423360561 in words is "four hundred twenty-three million, three hundred sixty thousand, five hundred sixty-one".