123554455342 has 4 divisors (see below), whose sum is σ = 185331683016. Its totient is φ = 61777227670.

The previous prime is 123554455337. The next prime is 123554455351. The reversal of 123554455342 is 243554455321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30888613834 + ... + 30888613837.

It is an arithmetic number, because the mean of its divisors is an integer number (46332920754).

Almost surely, 2^123554455342 is an apocalyptic number.

123554455342 is a deficient number, since it is larger than the sum of its proper divisors (61777227674).

123554455342 is an equidigital number, since it uses as much as digits as its factorization.

123554455342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61777227673.

The product of its digits is 1440000, while the sum is 43.

The spelling of 123554455342 in words is "one hundred twenty-three billion, five hundred fifty-four million, four hundred fifty-five thousand, three hundred forty-two".