1420123653133 has 4 divisors (see below), whose sum is σ = 1426218604668. Its totient is φ = 1414028701600.

The previous prime is 1420123653107. The next prime is 1420123653181. The reversal of 1420123653133 is 3313563210241.

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 896661274084 + 523462379049 = 946922^2 + 723507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420123653133 - 2⁹ = 1420123652621 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 (1420123653233) 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, 3047475418 + ... + 3047475883.

It is an arithmetic number, because the mean of its divisors is an integer number (356554651167).

Almost surely, 2^{1420123653133} is an apocalyptic number.

It is an amenable number.

1420123653133 is a deficient number, since it is larger than the sum of its proper divisors (6094951535).

1420123653133 is an equidigital number, since it uses as much as digits as its factorization.

1420123653133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094951534.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 1420123653133 its reverse (3313563210241), we get a palindrome (4733686863374).

The spelling of 1420123653133 in words is "one trillion, four hundred twenty billion, one hundred twenty-three million, six hundred fifty-three thousand, one hundred thirty-three".