123054631 has 6 divisors (see below), whose sum is σ = 143145240. Its totient is φ = 105475356.

The previous prime is 123054599. The next prime is 123054661. The reversal of 123054631 is 136450321.

It is not a de Polignac number, because 123054631 - 2⁵ = 123054599 is a prime.

It is a super-2 number, since 2×123054631² = 30284884421092322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123054596 and 123054605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123054661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255611 + ... + 1255708.

It is an arithmetic number, because the mean of its divisors is an integer number (23857540).

Almost surely, 2^123054631 is an apocalyptic number.

123054631 is a deficient number, since it is larger than the sum of its proper divisors (20090609).

123054631 is an equidigital number, since it uses as much as digits as its factorization.

123054631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511333 (or 2511326 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 123054631 is about 11092.9991886775. Note that the first 3 decimals coincide. The cubic root of 123054631 is about 497.3926012454.

The spelling of 123054631 in words is "one hundred twenty-three million, fifty-four thousand, six hundred thirty-one".