423197648 has 20 divisors (see below), whose sum is σ = 821108160. Its totient is φ = 211298784.

The previous prime is 423197641. The next prime is 423197657. The reversal of 423197648 is 846791324.

It is a junction number, because it is equal to n+sod(n) for n = 423197599 and 423197608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423197641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6890 + ... + 29897.

It is an arithmetic number, because the mean of its divisors is an integer number (41055408).

Almost surely, 2^423197648 is an apocalyptic number.

It is an amenable number.

423197648 is a deficient number, since it is larger than the sum of its proper divisors (397910512).

423197648 is a wasteful number, since it uses less digits than its factorization.

423197648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37514 (or 37508 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 423197648 is about 20571.7682273547. The cubic root of 423197648 is about 750.7829737258.

The spelling of 423197648 in words is "four hundred twenty-three million, one hundred ninety-seven thousand, six hundred forty-eight".