423204469449 has 16 divisors (see below), whose sum is σ = 582497754624. Its totient is φ = 273024460800.

The previous prime is 423204469403. The next prime is 423204469451. The reversal of 423204469449 is 944964402324.

It is not a de Polignac number, because 423204469449 - 2²⁰ = 423203420873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423204469049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2803977 + ... + 2951049.

It is an arithmetic number, because the mean of its divisors is an integer number (36406109664).

Almost surely, 2^423204469449 is an apocalyptic number.

It is an amenable number.

423204469449 is a deficient number, since it is larger than the sum of its proper divisors (159293285175).

423204469449 is a wasteful number, since it uses less digits than its factorization.

423204469449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178048.

The product of its (nonzero) digits is 5971968, while the sum is 51.

The spelling of 423204469449 in words is "four hundred twenty-three billion, two hundred four million, four hundred sixty-nine thousand, four hundred forty-nine".