1140401123123 has 4 divisors (see below), whose sum is σ = 1140417345120. Its totient is φ = 1140384901128.

The previous prime is 1140401123077. The next prime is 1140401123131. The reversal of 1140401123123 is 3213211040411.

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 1140401123123 - 2²⁸ = 1140132687667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140401123723) 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, 8005088 + ... + 8146301.

It is an arithmetic number, because the mean of its divisors is an integer number (285104336280).

Almost surely, 2^{1140401123123} is an apocalyptic number.

1140401123123 is a deficient number, since it is larger than the sum of its proper divisors (16221997).

1140401123123 is an equidigital number, since it uses as much as digits as its factorization.

1140401123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16221996.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1140401123123 its reverse (3213211040411), we get a palindrome (4353612163534).

The spelling of 1140401123123 in words is "one trillion, one hundred forty billion, four hundred one million, one hundred twenty-three thousand, one hundred twenty-three".