1223708418654 has 16 divisors (see below), whose sum is σ = 2458391803392. Its totient is φ = 406073645208.

The previous prime is 1223708418643. The next prime is 1223708418661. The reversal of 1223708418654 is 4568148073221.

It is a junction number, because it is equal to n+sod(n) for n = 1223708418597 and 1223708418606.

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, 457288804 + ... + 457291479.

It is an arithmetic number, because the mean of its divisors is an integer number (153649487712).

Almost surely, 2^{1223708418654} is an apocalyptic number.

1223708418654 is an abundant number, since it is smaller than the sum of its proper divisors (1234683384738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223708418654 is a wasteful number, since it uses less digits than its factorization.

1223708418654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914580511.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 1223708418654 in words is "one trillion, two hundred twenty-three billion, seven hundred eight million, four hundred eighteen thousand, six hundred fifty-four".