23436081 has 16 divisors (see below), whose sum is σ = 36763200. Its totient is φ = 14704704.

The previous prime is 23436067. The next prime is 23436107. The reversal of 23436081 is 18063432.

It is a happy number.

It is not a de Polignac number, because 23436081 - 2¹⁰ = 23435057 is a prime.

It is a super-2 number, since 2×23436081² = 1098499785277122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23436181) 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 15 ways as a sum of consecutive naturals, for example, 25071 + ... + 25988.

It is an arithmetic number, because the mean of its divisors is an integer number (2297700).

Almost surely, 2^23436081 is an apocalyptic number.

It is an amenable number.

23436081 is a deficient number, since it is larger than the sum of its proper divisors (13327119).

23436081 is a wasteful number, since it uses less digits than its factorization.

23436081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51085 (or 51079 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23436081 is about 4841.0826268511. The cubic root of 23436081 is about 286.1727850568.

It can be divided in two parts, 234 and 36081, that added together give a triangular number (36315 = T₂₆₉).

The spelling of 23436081 in words is "twenty-three million, four hundred thirty-six thousand, eighty-one".