23406836 has 6 divisors (see below), whose sum is σ = 40961970. Its totient is φ = 11703416.

The previous prime is 23406833. The next prime is 23406839. The reversal of 23406836 is 63860432.

It is an interprime number because it is at equal distance from previous prime (23406833) and next prime (23406839).

It can be written as a sum of positive squares in only one way, i.e., 14668900 + 8737936 = 3830^2 + 2956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23406833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925851 + ... + 2925858.

It is an arithmetic number, because the mean of its divisors is an integer number (6826995).

Almost surely, 2^23406836 is an apocalyptic number.

It is an amenable number.

23406836 is a deficient number, since it is larger than the sum of its proper divisors (17555134).

23406836 is a wasteful number, since it uses less digits than its factorization.

23406836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851713 (or 5851711 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 23406836 is about 4838.0611819199. The cubic root of 23406836 is about 286.0537007742.

It can be divided in two parts, 23406 and 836, that added together give a palindrome (24242).

The spelling of 23406836 in words is "twenty-three million, four hundred six thousand, eight hundred thirty-six".