423646130 has 16 divisors (see below), whose sum is σ = 762801624. Its totient is φ = 169405440.

The previous prime is 423646129. The next prime is 423646133. The reversal of 423646130 is 31646324.

It can be written as a sum of positive squares in 4 ways, for example, as 181252369 + 242393761 = 13463^2 + 15569^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 423646093 and 423646102.

It is not an unprimeable number, because it can be changed into a prime (423646133) 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, 49874 + ... + 57746.

Almost surely, 2^423646130 is an apocalyptic number.

423646130 is a deficient number, since it is larger than the sum of its proper divisors (339155494).

423646130 is a wasteful number, since it uses less digits than its factorization.

423646130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13261.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 423646130 is about 20582.6657651530. The cubic root of 423646130 is about 751.0480931705.

The spelling of 423646130 in words is "four hundred twenty-three million, six hundred forty-six thousand, one hundred thirty".