1220523142333 has 4 divisors (see below), whose sum is σ = 1331479791648. Its totient is φ = 1109566493020.

The previous prime is 1220523142313. The next prime is 1220523142367. The reversal of 1220523142333 is 3332413250221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1220523142333 - 2⁵ = 1220523142301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220523142295 and 1220523142304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220523142313) 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, 55478324641 + ... + 55478324662.

It is an arithmetic number, because the mean of its divisors is an integer number (332869947912).

Almost surely, 2^{1220523142333} is an apocalyptic number.

It is an amenable number.

1220523142333 is a deficient number, since it is larger than the sum of its proper divisors (110956649315).

1220523142333 is a wasteful number, since it uses less digits than its factorization.

1220523142333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110956649314.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1220523142333 its reverse (3332413250221), we get a palindrome (4552936392554).

The spelling of 1220523142333 in words is "one trillion, two hundred twenty billion, five hundred twenty-three million, one hundred forty-two thousand, three hundred thirty-three".