423477239694 has 64 divisors (see below), whose sum is σ = 885299030784. Its totient is φ = 134952120576.

The previous prime is 423477239639. The next prime is 423477239699. The reversal of 423477239694 is 496932774324.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423477239699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1816869 + ... + 2036655.

It is an arithmetic number, because the mean of its divisors is an integer number (13832797356).

Almost surely, 2^423477239694 is an apocalyptic number.

423477239694 is an abundant number, since it is smaller than the sum of its proper divisors (461821791090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423477239694 is a wasteful number, since it uses less digits than its factorization.

423477239694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220001.

The product of its digits is 54867456, while the sum is 60.

The spelling of 423477239694 in words is "four hundred twenty-three billion, four hundred seventy-seven million, two hundred thirty-nine thousand, six hundred ninety-four".