423768802 has 4 divisors (see below), whose sum is σ = 635653206. Its totient is φ = 211884400.

The previous prime is 423768797. The next prime is 423768803. The reversal of 423768802 is 208867324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 416200801 + 7568001 = 20401^2 + 2751^2 .

It is not an unprimeable number, because it can be changed into a prime (423768803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105942199 + ... + 105942202.

Almost surely, 2^423768802 is an apocalyptic number.

423768802 is a deficient number, since it is larger than the sum of its proper divisors (211884404).

423768802 is a wasteful number, since it uses less digits than its factorization.

423768802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211884403.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 423768802 is about 20585.6455327493. The cubic root of 423768802 is about 751.1205779433.

The spelling of 423768802 in words is "four hundred twenty-three million, seven hundred sixty-eight thousand, eight hundred two".