23435645 has 16 divisors (see below), whose sum is σ = 30296640. Its totient is φ = 17345664.

The previous prime is 23435627. The next prime is 23435647. The reversal of 23435645 is 54653432.

23435645 = 613² + 614² + ... + 669².

It is a cyclic number.

It is not a de Polignac number, because 23435645 - 2⁸ = 23435389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23435647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (1893540).

Almost surely, 2^23435645 is an apocalyptic number.

It is an amenable number.

23435645 is a deficient number, since it is larger than the sum of its proper divisors (6860995).

23435645 is a wasteful number, since it uses less digits than its factorization.

23435645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5804.

The product of its digits is 43200, while the sum is 32.

The square root of 23435645 is about 4841.0375953921. The cubic root of 23435645 is about 286.1710104128.

The spelling of 23435645 in words is "twenty-three million, four hundred thirty-five thousand, six hundred forty-five".