113243402987 has 8 divisors (see below), whose sum is σ = 133041200880. Its totient is φ = 95029428960.

The previous prime is 113243402983. The next prime is 113243403019. The reversal of 113243402987 is 789204342311.

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 113243402987 - 2² = 113243402983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113243402983) 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, 395955812 + ... + 395956097.

It is an arithmetic number, because the mean of its divisors is an integer number (16630150110).

Almost surely, 2^113243402987 is an apocalyptic number.

113243402987 is a deficient number, since it is larger than the sum of its proper divisors (19797797893).

113243402987 is a wasteful number, since it uses less digits than its factorization.

113243402987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791911933.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 113243402987 in words is "one hundred thirteen billion, two hundred forty-three million, four hundred two thousand, nine hundred eighty-seven".