113423040 has 84 divisors (see below), whose sum is σ = 390137904. Its totient is φ = 30245376.

The previous prime is 113423039. The next prime is 113423041. The reversal of 113423040 is 40324311.

It is an interprime number because it is at equal distance from previous prime (113423039) and next prime (113423041).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113423041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16812 + ... + 22571.

Almost surely, 2^113423040 is an apocalyptic number.

113423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113423040 is an abundant number, since it is smaller than the sum of its proper divisors (276714864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113423040 is a wasteful number, since it uses less digits than its factorization.

113423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39406 (or 39393 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 113423040 is about 10650.0253520825. The cubic root of 113423040 is about 484.0613723600.

Adding to 113423040 its reverse (40324311), we get a palindrome (153747351).

The spelling of 113423040 in words is "one hundred thirteen million, four hundred twenty-three thousand, forty".