123054623 has 4 divisors (see below), whose sum is σ = 128404848. Its totient is φ = 117704400.

The previous prime is 123054599. The next prime is 123054661. The reversal of 123054623 is 326450321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326450321 = 397 ⋅822293.

It is a cyclic number.

It is not a de Polignac number, because 123054623 - 2¹⁴ = 123038239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123054592 and 123054601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123054683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675078 + ... + 2675123.

It is an arithmetic number, because the mean of its divisors is an integer number (32101212).

Almost surely, 2^123054623 is an apocalyptic number.

123054623 is a deficient number, since it is larger than the sum of its proper divisors (5350225).

123054623 is an equidigital number, since it uses as much as digits as its factorization.

123054623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350224.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 123054623 is about 11092.9988280897. The cubic root of 123054623 is about 497.3925904666.

Adding to 123054623 its sum of digits (26), we get a square (123054649 = 11093²).

The spelling of 123054623 in words is "one hundred twenty-three million, fifty-four thousand, six hundred twenty-three".