123081637954 has 8 divisors (see below), whose sum is σ = 201406316688. Its totient is φ = 55946199060.

The previous prime is 123081637859. The next prime is 123081637981. The reversal of 123081637954 is 459736180321.

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

It is a super-2 number, since 2×123081637954² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123081637898 and 123081637907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2797309932 + ... + 2797309975.

It is an arithmetic number, because the mean of its divisors is an integer number (25175789586).

It is a 2-persistent number, because it is pandigital, and so is 2⋅123081637954 = 246163275908, but 3⋅123081637954 = 369244913862 is not.

Almost surely, 2^123081637954 is an apocalyptic number.

123081637954 is a deficient number, since it is larger than the sum of its proper divisors (78324678734).

123081637954 is a wasteful number, since it uses less digits than its factorization.

123081637954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5594619920.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 123081637954 in words is "one hundred twenty-three billion, eighty-one million, six hundred thirty-seven thousand, nine hundred fifty-four".