307423420 has 48 divisors (see below), whose sum is σ = 681085440. Its totient is φ = 116237376.

The previous prime is 307423411. The next prime is 307423463. The reversal of 307423420 is 24324703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312249 + ... + 313231.

It is an arithmetic number, because the mean of its divisors is an integer number (14189280).

Almost surely, 2^307423420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307423420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340542720).

307423420 is an abundant number, since it is smaller than the sum of its proper divisors (373662020).

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

307423420 is a wasteful number, since it uses less digits than its factorization.

307423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 307423420 is about 17533.4942324683. The cubic root of 307423420 is about 674.9096687534.

The spelling of 307423420 in words is "three hundred seven million, four hundred twenty-three thousand, four hundred twenty".