23443642 has 8 divisors (see below), whose sum is σ = 35742132. Its totient is φ = 11529600.

The previous prime is 23443633. The next prime is 23443661. The reversal of 23443642 is 24634432.

It can be written as a sum of positive squares in 2 ways, for example, as 23242041 + 201601 = 4821^2 + 449^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 23443642.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95959 + ... + 96202.

Almost surely, 2^23443642 is an apocalyptic number.

23443642 is a deficient number, since it is larger than the sum of its proper divisors (12298490).

23443642 is a wasteful number, since it uses less digits than its factorization.

23443642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192224.

The product of its digits is 13824, while the sum is 28.

The square root of 23443642 is about 4841.8634842383. The cubic root of 23443642 is about 286.2035569790.

The spelling of 23443642 in words is "twenty-three million, four hundred forty-three thousand, six hundred forty-two".