123072067131 has 16 divisors (see below), whose sum is σ = 179615899680. Its totient is φ = 74495070720.

The previous prime is 123072067127. The next prime is 123072067147. The reversal of 123072067131 is 131760270321.

It is not a de Polignac number, because 123072067131 - 2² = 123072067127 is a prime.

It is a super-2 number, since 2×123072067131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123072067092 and 123072067101.

It is not an unprimeable number, because it can be changed into a prime (123072062131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25863966 + ... + 25868723.

It is an arithmetic number, because the mean of its divisors is an integer number (11225993730).

Almost surely, 2^123072067131 is an apocalyptic number.

123072067131 is a deficient number, since it is larger than the sum of its proper divisors (56543832549).

123072067131 is a wasteful number, since it uses less digits than its factorization.

123072067131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51732766.

The product of its (nonzero) digits is 10584, while the sum is 33.

The spelling of 123072067131 in words is "one hundred twenty-three billion, seventy-two million, sixty-seven thousand, one hundred thirty-one".