423203012 has 6 divisors (see below), whose sum is σ = 740605278. Its totient is φ = 211601504.

The previous prime is 423203009. The next prime is 423203023. The reversal of 423203012 is 210302324.

It can be written as a sum of positive squares in only one way, i.e., 405780736 + 17422276 = 20144^2 + 4174^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52900373 + ... + 52900380.

It is an arithmetic number, because the mean of its divisors is an integer number (123434213).

Almost surely, 2^423203012 is an apocalyptic number.

It is an amenable number.

423203012 is a deficient number, since it is larger than the sum of its proper divisors (317402266).

423203012 is a wasteful number, since it uses less digits than its factorization.

423203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105800757 (or 105800755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 423203012 is about 20571.8985997890. The cubic root of 423203012 is about 750.7861457526.

Adding to 423203012 its reverse (210302324), we get a palindrome (633505336).

The spelling of 423203012 in words is "four hundred twenty-three million, two hundred three thousand, twelve".