23493836 has 12 divisors (see below), whose sum is σ = 41205528. Its totient is φ = 11720832.

The previous prime is 23493817. The next prime is 23493839. The reversal of 23493836 is 63839432.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 23493836.

It is not an unprimeable number, because it can be changed into a prime (23493839) 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, 4421 + ... + 8156.

It is an arithmetic number, because the mean of its divisors is an integer number (3433794).

Almost surely, 2^23493836 is an apocalyptic number.

It is an amenable number.

23493836 is a deficient number, since it is larger than the sum of its proper divisors (17711692).

23493836 is a wasteful number, since it uses less digits than its factorization.

23493836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13048 (or 13046 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 23493836 is about 4847.0440476645. The cubic root of 23493836 is about 286.4076700452.

The spelling of 23493836 in words is "twenty-three million, four hundred ninety-three thousand, eight hundred thirty-six".