23642413 has 4 divisors (see below), whose sum is σ = 24670368. Its totient is φ = 22614460.

The previous prime is 23642351. The next prime is 23642419. The reversal of 23642413 is 31424632.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23642413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23642419) 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 3 ways as a sum of consecutive naturals, for example, 513943 + ... + 513988.

It is an arithmetic number, because the mean of its divisors is an integer number (6167592).

Almost surely, 2^23642413 is an apocalyptic number.

23642413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23642413 is a deficient number, since it is larger than the sum of its proper divisors (1027955).

23642413 is a wasteful number, since it uses less digits than its factorization.

23642413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027954.

The product of its digits is 3456, while the sum is 25.

The square root of 23642413 is about 4862.3464500177. The cubic root of 23642413 is about 287.0101571836.

The spelling of 23642413 in words is "twenty-three million, six hundred forty-two thousand, four hundred thirteen".