123735425654 has 16 divisors (see below), whose sum is σ = 189654068736. Its totient is φ = 60530706600.

The previous prime is 123735425621. The next prime is 123735425711. The reversal of 123735425654 is 456524537321.

It is a happy number.

It is a super-3 number, since 3×123735425654³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 123735425599 and 123735425608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3307262 + ... + 3344465.

It is an arithmetic number, because the mean of its divisors is an integer number (11853379296).

Almost surely, 2^123735425654 is an apocalyptic number.

123735425654 is a deficient number, since it is larger than the sum of its proper divisors (65918643082).

123735425654 is a wasteful number, since it uses less digits than its factorization.

123735425654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651931.

The product of its digits is 3024000, while the sum is 47.

The spelling of 123735425654 in words is "one hundred twenty-three billion, seven hundred thirty-five million, four hundred twenty-five thousand, six hundred fifty-four".