423492306890 has 128 divisors (see below), whose sum is σ = 830847248640. Its totient is φ = 154823065600.

The previous prime is 423492306847. The next prime is 423492306899. The reversal of 423492306890 is 98603294324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (423492306899) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 556494110 + ... + 556494870.

It is an arithmetic number, because the mean of its divisors is an integer number (6490994130).

Almost surely, 2^423492306890 is an apocalyptic number.

423492306890 is a deficient number, since it is larger than the sum of its proper divisors (407354941750).

423492306890 is a wasteful number, since it uses less digits than its factorization.

423492306890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 423492306890 in words is "four hundred twenty-three billion, four hundred ninety-two million, three hundred six thousand, eight hundred ninety".