23142535 has 8 divisors (see below), whose sum is σ = 29907360. Its totient is φ = 17089824.

The previous prime is 23142529. The next prime is 23142541. The reversal of 23142535 is 53524132.

It is an interprime number because it is at equal distance from previous prime (23142529) and next prime (23142541).

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

It is a cyclic number.

It is not a de Polignac number, because 23142535 - 2¹⁷ = 23011463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177955 + ... + 178084.

It is an arithmetic number, because the mean of its divisors is an integer number (3738420).

Almost surely, 2^23142535 is an apocalyptic number.

23142535 is a deficient number, since it is larger than the sum of its proper divisors (6764825).

23142535 is a wasteful number, since it uses less digits than its factorization.

23142535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356057.

The product of its digits is 3600, while the sum is 25.

The square root of 23142535 is about 4810.6688724127. The cubic root of 23142535 is about 284.9729532146.

Adding to 23142535 its reverse (53524132), we get a palindrome (76666667).

The spelling of 23142535 in words is "twenty-three million, one hundred forty-two thousand, five hundred thirty-five".