113143579 has 2 divisors, whose sum is σ = 113143580. Its totient is φ = 113143578.

The previous prime is 113143577. The next prime is 113143627. The reversal of 113143579 is 975341311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113143579 - 2¹ = 113143577 is a prime.

Together with 113143577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113143577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56571789 + 56571790.

It is an arithmetic number, because the mean of its divisors is an integer number (56571790).

Almost surely, 2^113143579 is an apocalyptic number.

113143579 is a deficient number, since it is larger than the sum of its proper divisors (1).

113143579 is an equidigital number, since it uses as much as digits as its factorization.

113143579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 113143579 is about 10636.8970569429. The cubic root of 113143579 is about 483.6634886816.

The spelling of 113143579 in words is "one hundred thirteen million, one hundred forty-three thousand, five hundred seventy-nine".