23153211 has 12 divisors (see below), whose sum is σ = 33621120. Its totient is φ = 15353520.

The previous prime is 23153197. The next prime is 23153293. The reversal of 23153211 is 11235132.

It is not a de Polignac number, because 23153211 - 2¹³ = 23145019 is a prime.

It is a super-2 number, since 2×23153211² = 1072142359221042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23103211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5016 + ... + 8453.

It is an arithmetic number, because the mean of its divisors is an integer number (2801760).

Almost surely, 2^23153211 is an apocalyptic number.

23153211 is a deficient number, since it is larger than the sum of its proper divisors (10467909).

23153211 is a wasteful number, since it uses less digits than its factorization.

23153211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13666 (or 13663 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 23153211 is about 4811.7783614793. The cubic root of 23153211 is about 285.0167672499.

Adding to 23153211 its reverse (11235132), we get a palindrome (34388343).

The spelling of 23153211 in words is "twenty-three million, one hundred fifty-three thousand, two hundred eleven".