23490836 has 6 divisors (see below), whose sum is σ = 41108970. Its totient is φ = 11745416.

The previous prime is 23490833. The next prime is 23490851. The reversal of 23490836 is 63809432.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11971600 + 11519236 = 3460^2 + 3394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23490796 and 23490805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23490833) by changing a digit.

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 as a sum of consecutive naturals, namely, 2936351 + ... + 2936358.

It is an arithmetic number, because the mean of its divisors is an integer number (6851495).

Almost surely, 2^23490836 is an apocalyptic number.

It is an amenable number.

23490836 is a deficient number, since it is larger than the sum of its proper divisors (17618134).

23490836 is a wasteful number, since it uses less digits than its factorization.

23490836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872713 (or 5872711 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 23490836 is about 4846.7345708219. The cubic root of 23490836 is about 286.3954787682.

The spelling of 23490836 in words is "twenty-three million, four hundred ninety thousand, eight hundred thirty-six".