307223430 has 16 divisors (see below), whose sum is σ = 737336304. Its totient is φ = 81926240.

The previous prime is 307223417. The next prime is 307223447. The reversal of 307223430 is 34322703.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 307223430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5120361 + ... + 5120420.

It is an arithmetic number, because the mean of its divisors is an integer number (46083519).

Almost surely, 2^307223430 is an apocalyptic number.

307223430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

307223430 is an abundant number, since it is smaller than the sum of its proper divisors (430112874).

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

307223430 is a wasteful number, since it uses less digits than its factorization.

307223430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240791.

The product of its (nonzero) digits is 3024, while the sum is 24.

The square root of 307223430 is about 17527.7902201048. The cubic root of 307223430 is about 674.7632859957.

The spelling of 307223430 in words is "three hundred seven million, two hundred twenty-three thousand, four hundred thirty".