1123432431401 has 8 divisors (see below), whose sum is σ = 1287223354560. Its totient is φ = 960466652208.

The previous prime is 1123432431367. The next prime is 1123432431403. The reversal of 1123432431401 is 1041342343211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123432431401 - 2²⁶ = 1123365322537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123432431403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206283071 + ... + 206288516.

It is an arithmetic number, because the mean of its divisors is an integer number (160902919320).

Almost surely, 2^{1123432431401} is an apocalyptic number.

It is an amenable number.

1123432431401 is a deficient number, since it is larger than the sum of its proper divisors (163790923159).

1123432431401 is an equidigital number, since it uses as much as digits as its factorization.

1123432431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412571983.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1123432431401 its reverse (1041342343211), we get a palindrome (2164774774612).

The spelling of 1123432431401 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-two million, four hundred thirty-one thousand, four hundred one".