23465729 has 16 divisors (see below), whose sum is σ = 29316096. Its totient is φ = 18316800.

The previous prime is 23465723. The next prime is 23465747. The reversal of 23465729 is 92756432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23465729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23465692 and 23465701.

It is not an unprimeable number, because it can be changed into a prime (23465723) 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, 509 + ... + 6869.

It is an arithmetic number, because the mean of its divisors is an integer number (1832256).

Almost surely, 2^23465729 is an apocalyptic number.

It is an amenable number.

23465729 is a deficient number, since it is larger than the sum of its proper divisors (5850367).

23465729 is a wasteful number, since it uses less digits than its factorization.

23465729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416.

The product of its digits is 90720, while the sum is 38.

The square root of 23465729 is about 4844.1437839932. The cubic root of 23465729 is about 286.2934092555.

The spelling of 23465729 in words is "twenty-three million, four hundred sixty-five thousand, seven hundred twenty-nine".