123021323445202 has 32 divisors (see below), whose sum is σ = 227206380046464. Its totient is φ = 48648471177600.

The previous prime is 123021323445197. The next prime is 123021323445203. The reversal of 123021323445202 is 202544323120321.

It is not an unprimeable number, because it can be changed into a prime (123021323445203) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 133603324 + ... + 134520967.

It is an arithmetic number, because the mean of its divisors is an integer number (7100199376452).

Almost surely, 2^{123021323445202} is an apocalyptic number.

123021323445202 is a deficient number, since it is larger than the sum of its proper divisors (104185056601262).

123021323445202 is a wasteful number, since it uses less digits than its factorization.

123021323445202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268126834.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 123021323445202 its reverse (202544323120321), we get a palindrome (325565646565523).

The spelling of 123021323445202 in words is "one hundred twenty-three trillion, twenty-one billion, three hundred twenty-three million, four hundred forty-five thousand, two hundred two".