423725194 has 24 divisors (see below), whose sum is σ = 672701220. Its totient is φ = 200143872.

The previous prime is 423725189. The next prime is 423725207. The reversal of 423725194 is 491527324.

It can be written as a sum of positive squares in 2 ways, for example, as 380757169 + 42968025 = 19513^2 + 6555^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366922 + ... + 368074.

Almost surely, 2^423725194 is an apocalyptic number.

423725194 is a deficient number, since it is larger than the sum of its proper divisors (248976026).

423725194 is a wasteful number, since it uses less digits than its factorization.

423725194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702 (or 1683 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 423725194 is about 20584.5863208372. The cubic root of 423725194 is about 751.0948123296.

The spelling of 423725194 in words is "four hundred twenty-three million, seven hundred twenty-five thousand, one hundred ninety-four".