23528629 has 8 divisors (see below), whose sum is σ = 25521048. Its totient is φ = 21603840.

The previous prime is 23528627. The next prime is 23528639. The reversal of 23528629 is 92682532.

It can be written as a sum of positive squares in 4 ways, for example, as 2387025 + 21141604 = 1545^2 + 4598^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23528629 - 2¹ = 23528627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23528621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16182 + ... + 17575.

It is an arithmetic number, because the mean of its divisors is an integer number (3190131).

Almost surely, 2^23528629 is an apocalyptic number.

It is an amenable number.

23528629 is a deficient number, since it is larger than the sum of its proper divisors (1992419).

23528629 is a wasteful number, since it uses less digits than its factorization.

23528629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33815.

The product of its digits is 51840, while the sum is 37.

The square root of 23528629 is about 4850.6318145165. The cubic root of 23528629 is about 286.5489846567.

The spelling of 23528629 in words is "twenty-three million, five hundred twenty-eight thousand, six hundred twenty-nine".