23397836 has 24 divisors (see below), whose sum is σ = 51050496. Its totient is φ = 9115920.

The previous prime is 23397821. The next prime is 23397841. The reversal of 23397836 is 63879332.

It is a junction number, because it is equal to n+sod(n) for n = 23397793 and 23397802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37676 + ... + 38291.

It is an arithmetic number, because the mean of its divisors is an integer number (2127104).

Almost surely, 2^23397836 is an apocalyptic number.

It is an amenable number.

23397836 is an abundant number, since it is smaller than the sum of its proper divisors (27652660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23397836 is a wasteful number, since it uses less digits than its factorization.

23397836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75989 (or 75987 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 23397836 is about 4837.1309678362. The cubic root of 23397836 is about 286.0170332333.

The spelling of 23397836 in words is "twenty-three million, three hundred ninety-seven thousand, eight hundred thirty-six".