423446402 has 4 divisors (see below), whose sum is σ = 635169606. Its totient is φ = 211723200.

The previous prime is 423446393. The next prime is 423446411. The reversal of 423446402 is 204644324.

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

It is an interprime number because it is at equal distance from previous prime (423446393) and next prime (423446411).

It can be written as a sum of positive squares in only one way, i.e., 231374521 + 192071881 = 15211^2 + 13859^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105861599 + ... + 105861602.

Almost surely, 2^423446402 is an apocalyptic number.

423446402 is a deficient number, since it is larger than the sum of its proper divisors (211723204).

423446402 is a wasteful number, since it uses less digits than its factorization.

423446402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211723203.

The product of its (nonzero) digits is 18432, while the sum is 29.

The square root of 423446402 is about 20577.8133435018. The cubic root of 423446402 is about 750.9300473909.

The spelling of 423446402 in words is "four hundred twenty-three million, four hundred forty-six thousand, four hundred two".