23558042 has 4 divisors (see below), whose sum is σ = 35337066. Its totient is φ = 11779020.

The previous prime is 23558027. The next prime is 23558053. The reversal of 23558042 is 24085532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18757561 + 4800481 = 4331^2 + 2191^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 23557996 and 23558014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5889509 + ... + 5889512.

Almost surely, 2^23558042 is an apocalyptic number.

23558042 is a deficient number, since it is larger than the sum of its proper divisors (11779024).

23558042 is a wasteful number, since it uses less digits than its factorization.

23558042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11779023.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 23558042 is about 4853.6627406527. The cubic root of 23558042 is about 286.6683393328.

The spelling of 23558042 in words is "twenty-three million, five hundred fifty-eight thousand, forty-two".