305023476 has 12 divisors (see below), whose sum is σ = 711721472. Its totient is φ = 101674488.

The previous prime is 305023471. The next prime is 305023487. The reversal of 305023476 is 674320503.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×305023476² = 186078641822245152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305023471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12709300 + ... + 12709323.

Almost surely, 2^305023476 is an apocalyptic number.

It is an amenable number.

305023476 is an abundant number, since it is smaller than the sum of its proper divisors (406697996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305023476 is a wasteful number, since it uses less digits than its factorization.

305023476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25418630 (or 25418628 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 305023476 is about 17464.9212995650. The cubic root of 305023476 is about 673.1488197056.

Adding to 305023476 its reverse (674320503), we get a palindrome (979343979).

The spelling of 305023476 in words is "three hundred five million, twenty-three thousand, four hundred seventy-six".