23001629 has 24 divisors (see below), whose sum is σ = 28920888. Its totient is φ = 18170880.

The previous prime is 23001623. The next prime is 23001631. The reversal of 23001629 is 92610032.

It can be written as a sum of positive squares in 4 ways, for example, as 6175225 + 16826404 = 2485^2 + 4102^2 .

It is not a de Polignac number, because 23001629 - 2⁴ = 23001613 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 (23001623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43889 + ... + 44409.

It is an arithmetic number, because the mean of its divisors is an integer number (1205037).

Almost surely, 2^23001629 is an apocalyptic number.

It is an amenable number.

23001629 is a deficient number, since it is larger than the sum of its proper divisors (5919259).

23001629 is a wasteful number, since it uses less digits than its factorization.

23001629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 23001629 is about 4796.0013552959. The cubic root of 23001629 is about 284.3934118257.

The spelling of 23001629 in words is "twenty-three million, one thousand, six hundred twenty-nine".