320126923245 has 64 divisors (see below), whose sum is σ = 555870781440. Its totient is φ = 156722807808.

The previous prime is 320126923241. The next prime is 320126923247. The reversal of 320126923245 is 542329621023.

It is a happy number.

It is not a de Polignac number, because 320126923245 - 2² = 320126923241 is a prime.

It is a super-3 number, since 3×320126923245³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320126923241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1826944 + ... + 1994486.

It is an arithmetic number, because the mean of its divisors is an integer number (8685480960).

Almost surely, 2^320126923245 is an apocalyptic number.

It is an amenable number.

320126923245 is a deficient number, since it is larger than the sum of its proper divisors (235743858195).

320126923245 is a wasteful number, since it uses less digits than its factorization.

320126923245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167754.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 320126923245 in words is "three hundred twenty billion, one hundred twenty-six million, nine hundred twenty-three thousand, two hundred forty-five".