23120558 has 4 divisors (see below), whose sum is σ = 34680840. Its totient is φ = 11560278.

The previous prime is 23120557. The next prime is 23120599. The reversal of 23120558 is 85502132.

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

It is a super-3 number, since 3×23120558³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23120551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780138 + ... + 5780141.

It is an arithmetic number, because the mean of its divisors is an integer number (8670210).

Almost surely, 2^23120558 is an apocalyptic number.

23120558 is a deficient number, since it is larger than the sum of its proper divisors (11560282).

23120558 is a wasteful number, since it uses less digits than its factorization.

23120558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11560281.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 23120558 is about 4808.3841360690. The cubic root of 23120558 is about 284.8827177223.

The spelling of 23120558 in words is "twenty-three million, one hundred twenty thousand, five hundred fifty-eight".