23487442 has 8 divisors (see below), whose sum is σ = 38434032. Its totient is φ = 10676100.

The previous prime is 23487413. The next prime is 23487467. The reversal of 23487442 is 24478432.

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

It is a junction number, because it is equal to n+sod(n) for n = 23487398 and 23487407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533784 + ... + 533827.

It is an arithmetic number, because the mean of its divisors is an integer number (4804254).

Almost surely, 2^23487442 is an apocalyptic number.

23487442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23487442 is a deficient number, since it is larger than the sum of its proper divisors (14946590).

23487442 is a wasteful number, since it uses less digits than its factorization.

23487442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067624.

The product of its digits is 43008, while the sum is 34.

The square root of 23487442 is about 4846.3844255280. The cubic root of 23487442 is about 286.3816851188.

The spelling of 23487442 in words is "twenty-three million, four hundred eighty-seven thousand, four hundred forty-two".