23397111 has 6 divisors (see below), whose sum is σ = 33795840. Its totient is φ = 15598068.

The previous prime is 23397109. The next prime is 23397131. The reversal of 23397111 is 11179332.

It is not a de Polignac number, because 23397111 - 2¹ = 23397109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23397131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1299831 + ... + 1299848.

It is an arithmetic number, because the mean of its divisors is an integer number (5632640).

Almost surely, 2^23397111 is an apocalyptic number.

23397111 is a deficient number, since it is larger than the sum of its proper divisors (10398729).

23397111 is a wasteful number, since it uses less digits than its factorization.

23397111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599685 (or 2599682 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 23397111 is about 4837.0560261382. The cubic root of 23397111 is about 286.0140790500.

It can be divided in two parts, 233 and 97111, that added together give a square (97344 = 312²).

The spelling of 23397111 in words is "twenty-three million, three hundred ninety-seven thousand, one hundred eleven".