123375860001 has 27 divisors (see below), whose sum is σ = 179440218867. Its totient is φ = 81686467440.

The previous prime is 123375859991. The next prime is 123375860033. The reversal of 123375860001 is 100068573321.

The square root of 123375860001 is 351249.

It is a perfect power (a square), and thus also a powerful number.

123375860001 is a `hidden beast` number, since 12 + 3 + 37 + 5 + 8 + 600 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 402203025 + 122973656976 = 20055^2 + 350676^2 .

It is a de Polignac number, because none of the positive numbers 2^k-123375860001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123375867001) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 201265371 + ... + 201265983.

Almost surely, 2^123375860001 is an apocalyptic number.

123375860001 is the 351249-th square number.

123375860001 is the 175625-th centered octagonal number.

It is an amenable number.

123375860001 is a deficient number, since it is larger than the sum of its proper divisors (56064358866).

123375860001 is an frugal number, since it uses more digits than its factorization.

123375860001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Multiplying 123375860001 by its sum of digits (36), we get a square (4441530960036 = 2107494²).

The spelling of 123375860001 in words is "one hundred twenty-three billion, three hundred seventy-five million, eight hundred sixty thousand, one".