120345341653 has 4 divisors (see below), whose sum is σ = 120377040300. Its totient is φ = 120313643008.

The previous prime is 120345341647. The next prime is 120345341663. The reversal of 120345341653 is 356143543021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30061317924 + 90284023729 = 173382^2 + 300473^2 .

It is a cyclic number.

It is not a de Polignac number, because 120345341653 - 2⁵ = 120345341621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120345341603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15843628 + ... + 15851221.

It is an arithmetic number, because the mean of its divisors is an integer number (30094260075).

Almost surely, 2^120345341653 is an apocalyptic number.

It is an amenable number.

120345341653 is a deficient number, since it is larger than the sum of its proper divisors (31698647).

120345341653 is an equidigital number, since it uses as much as digits as its factorization.

120345341653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31698646.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 120345341653 its reverse (356143543021), we get a palindrome (476488884674).

The spelling of 120345341653 in words is "one hundred twenty billion, three hundred forty-five million, three hundred forty-one thousand, six hundred fifty-three".