23423558 has 4 divisors (see below), whose sum is σ = 35135340. Its totient is φ = 11711778.

The previous prime is 23423551. The next prime is 23423563. The reversal of 23423558 is 85532432.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5855888 + ... + 5855891.

It is an arithmetic number, because the mean of its divisors is an integer number (8783835).

Almost surely, 2^23423558 is an apocalyptic number.

23423558 is a deficient number, since it is larger than the sum of its proper divisors (11711782).

23423558 is a wasteful number, since it uses less digits than its factorization.

23423558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711781.

The product of its digits is 28800, while the sum is 32.

The square root of 23423558 is about 4839.7890449895. The cubic root of 23423558 is about 286.1218041171.

Adding to 23423558 its sum of digits (32), we get a triangular number (23423590 = T₆₈₄₄).

The spelling of 23423558 in words is "twenty-three million, four hundred twenty-three thousand, five hundred fifty-eight".