1203823478 has 32 divisors (see below), whose sum is σ = 2125267200. Its totient is φ = 504185760.

The previous prime is 1203823477. The next prime is 1203823483. The reversal of 1203823478 is 8743283021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203823477) 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, 167801 + ... + 174827.

It is an arithmetic number, because the mean of its divisors is an integer number (66414600).

Almost surely, 2^1203823478 is an apocalyptic number.

1203823478 is a deficient number, since it is larger than the sum of its proper divisors (921443722).

1203823478 is a wasteful number, since it uses less digits than its factorization.

1203823478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 1203823478 is about 34696.1594128226. The cubic root of 1203823478 is about 1063.7859980739.

The spelling of 1203823478 in words is "one billion, two hundred three million, eight hundred twenty-three thousand, four hundred seventy-eight".