1140020400423 has 8 divisors (see below), whose sum is σ = 1530228726000. Its totient is φ = 754912837568.

The previous prime is 1140020400391. The next prime is 1140020400427. The reversal of 1140020400423 is 3240040200411.

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

It is a cyclic number.

It is not a de Polignac number, because 1140020400423 - 2⁵ = 1140020400391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140020400423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140020400427) 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, 1275190158 + ... + 1275191051.

It is an arithmetic number, because the mean of its divisors is an integer number (191278590750).

Almost surely, 2^{1140020400423} is an apocalyptic number.

1140020400423 is a deficient number, since it is larger than the sum of its proper divisors (390208325577).

1140020400423 is a wasteful number, since it uses less digits than its factorization.

1140020400423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550381361.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1140020400423 its reverse (3240040200411), we get a palindrome (4380060600834).

The spelling of 1140020400423 in words is "one trillion, one hundred forty billion, twenty million, four hundred thousand, four hundred twenty-three".