1131403401123 has 8 divisors (see below), whose sum is σ = 1509888398928. Its totient is φ = 753593668704.

The previous prime is 1131403401119. The next prime is 1131403401143. The reversal of 1131403401123 is 3211043041311.

It is a happy number.

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

It is not a de Polignac number, because 1131403401123 - 2² = 1131403401119 is a prime.

It is a super-2 number, since 2×1131403401123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131403401093 and 1131403401102.

It is not an unprimeable number, because it can be changed into a prime (1131403401143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168812436 + ... + 168819137.

It is an arithmetic number, because the mean of its divisors is an integer number (188736049866).

Almost surely, 2^{1131403401123} is an apocalyptic number.

1131403401123 is a deficient number, since it is larger than the sum of its proper divisors (378484997805).

1131403401123 is a wasteful number, since it uses less digits than its factorization.

1131403401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337632693.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1131403401123 its reverse (3211043041311), we get a palindrome (4342446442434).

The spelling of 1131403401123 in words is "one trillion, one hundred thirty-one billion, four hundred three million, four hundred one thousand, one hundred twenty-three".