123554235162002 has 4 divisors (see below), whose sum is σ = 185331352743006. Its totient is φ = 61777117581000.

The previous prime is 123554235161887. The next prime is 123554235162077. The reversal of 123554235162002 is 200261532455321.

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

It can be written as a sum of positive squares in only one way, i.e., 73643669764921 + 49910565397081 = 8581589^2 + 7064741^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30888558790499 + ... + 30888558790502.

Almost surely, 2^{123554235162002} is an apocalyptic number.

123554235162002 is a deficient number, since it is larger than the sum of its proper divisors (61777117581004).

123554235162002 is an equidigital number, since it uses as much as digits as its factorization.

123554235162002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61777117581003.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 123554235162002 in words is "one hundred twenty-three trillion, five hundred fifty-four billion, two hundred thirty-five million, one hundred sixty-two thousand, two".