23153351 has 4 divisors (see below), whose sum is σ = 24934392. Its totient is φ = 21372312.

The previous prime is 23153323. The next prime is 23153353. The reversal of 23153351 is 15335132.

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

It is not a de Polignac number, because 23153351 - 2¹⁸ = 22891207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23153353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890501 + ... + 890526.

It is an arithmetic number, because the mean of its divisors is an integer number (6233598).

Almost surely, 2^23153351 is an apocalyptic number.

23153351 is a deficient number, since it is larger than the sum of its proper divisors (1781041).

23153351 is a wasteful number, since it uses less digits than its factorization.

23153351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781040.

The product of its digits is 1350, while the sum is 23.

The square root of 23153351 is about 4811.7929090932. The cubic root of 23153351 is about 285.0173417169.

Adding to 23153351 its reverse (15335132), we get a palindrome (38488483).

The spelling of 23153351 in words is "twenty-three million, one hundred fifty-three thousand, three hundred fifty-one".