1124431143403 has 4 divisors (see below), whose sum is σ = 1145646825408. Its totient is φ = 1103215461400.

The previous prime is 1124431143389. The next prime is 1124431143457. The reversal of 1124431143403 is 3043411344211.

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 1124431143403 - 2²⁹ = 1123894272491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1124431143103) 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, 10607840923 + ... + 10607841028.

It is an arithmetic number, because the mean of its divisors is an integer number (286411706352).

Almost surely, 2^{1124431143403} is an apocalyptic number.

1124431143403 is a deficient number, since it is larger than the sum of its proper divisors (21215682005).

1124431143403 is an equidigital number, since it uses as much as digits as its factorization.

1124431143403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215682004.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 1124431143403 its reverse (3043411344211), we get a palindrome (4167842487614).

The spelling of 1124431143403 in words is "one trillion, one hundred twenty-four billion, four hundred thirty-one million, one hundred forty-three thousand, four hundred three".