354123240512 has 28 divisors (see below), whose sum is σ = 702737985936. Its totient is φ = 177055401600.

The previous prime is 354123240461. The next prime is 354123240547. The reversal of 354123240512 is 215042321453.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 in 3 ways as a sum of consecutive naturals, for example, 2137823 + ... + 2297505.

It is an arithmetic number, because the mean of its divisors is an integer number (25097785212).

Almost surely, 2^354123240512 is an apocalyptic number.

354123240512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

354123240512 is a deficient number, since it is larger than the sum of its proper divisors (348614745424).

354123240512 is a wasteful number, since it uses less digits than its factorization.

354123240512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194346 (or 194336 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 354123240512 its reverse (215042321453), we get a palindrome (569165561965).

The spelling of 354123240512 in words is "three hundred fifty-four billion, one hundred twenty-three million, two hundred forty thousand, five hundred twelve".