320240523100 has 36 divisors (see below), whose sum is σ = 705293919064. Its totient is φ = 126184322880.

The previous prime is 320240523079. The next prime is 320240523103. The reversal of 320240523100 is 1325042023.

It is a super-2 number, since 2×320240523100² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320240523103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23891847 + ... + 23905246.

Almost surely, 2^320240523100 is an apocalyptic number.

It is an amenable number.

320240523100 is an abundant number, since it is smaller than the sum of its proper divisors (385053395964).

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

320240523100 is a wasteful number, since it uses less digits than its factorization.

320240523100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47797174 (or 47797167 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 320240523100 its reverse (1325042023), we get a palindrome (321565565123).

The spelling of 320240523100 in words is "three hundred twenty billion, two hundred forty million, five hundred twenty-three thousand, one hundred".