320421923127 has 24 divisors (see below), whose sum is σ = 472507897680. Its totient is φ = 209176842240.

The previous prime is 320421923119. The next prime is 320421923131. The reversal of 320421923127 is 721329124023.

320421923127 is a `hidden beast` number, since 3 + 20 + 421 + 92 + 3 + 127 = 666.

It is not a de Polignac number, because 320421923127 - 2³ = 320421923119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320421923091 and 320421923100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320421923177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1037524 + ... + 1310457.

It is an arithmetic number, because the mean of its divisors is an integer number (19687829070).

Almost surely, 2^320421923127 is an apocalyptic number.

320421923127 is a deficient number, since it is larger than the sum of its proper divisors (152085974553).

320421923127 is a wasteful number, since it uses less digits than its factorization.

320421923127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348303 (or 2348300 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 320421923127 in words is "three hundred twenty billion, four hundred twenty-one million, nine hundred twenty-three thousand, one hundred twenty-seven".