1113402532123 has 4 divisors (see below), whose sum is σ = 1272460036720. Its totient is φ = 954345027528.

The previous prime is 1113402532117. The next prime is 1113402532129. The reversal of 1113402532123 is 3212352043111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1113402532117) and next prime (1113402532129).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113402532123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113402532091 and 1113402532100.

It is not an unprimeable number, because it can be changed into a prime (1113402532129) 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, 79528752288 + ... + 79528752301.

It is an arithmetic number, because the mean of its divisors is an integer number (318115009180).

Almost surely, 2^{1113402532123} is an apocalyptic number.

1113402532123 is a deficient number, since it is larger than the sum of its proper divisors (159057504597).

1113402532123 is an equidigital number, since it uses as much as digits as its factorization.

1113402532123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159057504596.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 1113402532123 its reverse (3212352043111), we get a palindrome (4325754575234).

The spelling of 1113402532123 in words is "one trillion, one hundred thirteen billion, four hundred two million, five hundred thirty-two thousand, one hundred twenty-three".