123554466356 has 6 divisors (see below), whose sum is σ = 216220316130. Its totient is φ = 61777233176.

The previous prime is 123554466307. The next prime is 123554466377. The reversal of 123554466356 is 653664455321.

It can be written as a sum of positive squares in only one way, i.e., 98690222500 + 24864243856 = 314150^2 + 157684^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15444308291 + ... + 15444308298.

It is an arithmetic number, because the mean of its divisors is an integer number (36036719355).

Almost surely, 2^123554466356 is an apocalyptic number.

It is an amenable number.

123554466356 is a deficient number, since it is larger than the sum of its proper divisors (92665849774).

123554466356 is a wasteful number, since it uses less digits than its factorization.

123554466356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30888616593 (or 30888616591 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 50.

The spelling of 123554466356 in words is "one hundred twenty-three billion, five hundred fifty-four million, four hundred sixty-six thousand, three hundred fifty-six".