123137082563 has 8 divisors (see below), whose sum is σ = 134387107776. Its totient is φ = 111896348200.

The previous prime is 123137082547. The next prime is 123137082581. The reversal of 123137082563 is 365280731321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123137082563 - 2⁴ = 123137082547 is a prime.

It is a super-2 number, since 2×123137082563² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123137082563.

It is not an unprimeable number, because it can be changed into a prime (123137082533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2294981 + ... + 2348022.

It is an arithmetic number, because the mean of its divisors is an integer number (16798388472).

Almost surely, 2^123137082563 is an apocalyptic number.

123137082563 is a deficient number, since it is larger than the sum of its proper divisors (11250025213).

123137082563 is a wasteful number, since it uses less digits than its factorization.

123137082563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645425.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 123137082563 in words is "one hundred twenty-three billion, one hundred thirty-seven million, eighty-two thousand, five hundred sixty-three".