423318790 has 8 divisors (see below), whose sum is σ = 761973840. Its totient is φ = 169327512.

The previous prime is 423318769. The next prime is 423318823. The reversal of 423318790 is 97813324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21165930 + ... + 21165949.

It is an arithmetic number, because the mean of its divisors is an integer number (95246730).

Almost surely, 2^423318790 is an apocalyptic number.

423318790 is a deficient number, since it is larger than the sum of its proper divisors (338655050).

423318790 is a wasteful number, since it uses less digits than its factorization.

423318790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42331886.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 423318790 is about 20574.7123916715. The cubic root of 423318790 is about 750.8546050896.

The spelling of 423318790 in words is "four hundred twenty-three million, three hundred eighteen thousand, seven hundred ninety".