123201539361 has 12 divisors (see below), whose sum is σ = 178141064400. Its totient is φ = 82049766360.

The previous prime is 123201539327. The next prime is 123201539371. The reversal of 123201539361 is 163935102321.

123201539361 is a `hidden beast` number, since 1 + 2 + 3 + 201 + 5 + 393 + 61 = 666.

It is not a de Polignac number, because 123201539361 - 2¹⁷ = 123201408289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123201539371) 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, 7040211 + ... + 7057688.

It is an arithmetic number, because the mean of its divisors is an integer number (14845088700).

Almost surely, 2^123201539361 is an apocalyptic number.

It is an amenable number.

123201539361 is a deficient number, since it is larger than the sum of its proper divisors (54939525039).

123201539361 is a wasteful number, since it uses less digits than its factorization.

123201539361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098876 (or 14098873 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 123201539361 in words is "one hundred twenty-three billion, two hundred one million, five hundred thirty-nine thousand, three hundred sixty-one".