1120123213403 has 4 divisors (see below), whose sum is σ = 1179077066760. Its totient is φ = 1061169360048.

The previous prime is 1120123213381. The next prime is 1120123213483. The reversal of 1120123213403 is 3043123210211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120123213403 - 2¹⁰ = 1120123212379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120123213483) 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, 29476926650 + ... + 29476926687.

It is an arithmetic number, because the mean of its divisors is an integer number (294769266690).

Almost surely, 2^{1120123213403} is an apocalyptic number.

1120123213403 is a deficient number, since it is larger than the sum of its proper divisors (58953853357).

1120123213403 is an equidigital number, since it uses as much as digits as its factorization.

1120123213403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58953853356.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1120123213403 its reverse (3043123210211), we get a palindrome (4163246423614).

The spelling of 1120123213403 in words is "one trillion, one hundred twenty billion, one hundred twenty-three million, two hundred thirteen thousand, four hundred three".