123371382572 has 24 divisors (see below), whose sum is σ = 216230273280. Its totient is φ = 61591357520.

The previous prime is 123371382569. The next prime is 123371382619. The reversal of 123371382572 is 275283173321.

It is a super-3 number, since 3×123371382572³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16343303 + ... + 16350849.

It is an arithmetic number, because the mean of its divisors is an integer number (9009594720).

Almost surely, 2^123371382572 is an apocalyptic number.

It is an amenable number.

123371382572 is a deficient number, since it is larger than the sum of its proper divisors (92858890708).

123371382572 is a wasteful number, since it uses less digits than its factorization.

123371382572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13261 (or 13259 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The spelling of 123371382572 in words is "one hundred twenty-three billion, three hundred seventy-one million, three hundred eighty-two thousand, five hundred seventy-two".