123675064140 has 48 divisors (see below), whose sum is σ = 347727108960. Its totient is φ = 32843166720.

The previous prime is 123675064133. The next prime is 123675064159. The reversal of 123675064140 is 41460576321.

It is a happy number.

It is a super-2 number, since 2×123675064140² (a number of 23 digits) contains 22 as substring.

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, 4261995 + ... + 4290914.

It is an arithmetic number, because the mean of its divisors is an integer number (7244314770).

Almost surely, 2^123675064140 is an apocalyptic number.

123675064140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123675064140 is an abundant number, since it is smaller than the sum of its proper divisors (224052044820).

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

123675064140 is a wasteful number, since it uses less digits than its factorization.

123675064140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553162 (or 8553160 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 123675064140 in words is "one hundred twenty-three billion, six hundred seventy-five million, sixty-four thousand, one hundred forty".