23490429 has 16 divisors (see below), whose sum is σ = 33224064. Its totient is φ = 14731200.

The previous prime is 23490409. The next prime is 23490433. The reversal of 23490429 is 92409432.

It is a de Polignac number, because none of the positive numbers 2^k-23490429 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23490429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23490409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419 + ... + 6999.

It is an arithmetic number, because the mean of its divisors is an integer number (2076504).

Almost surely, 2^23490429 is an apocalyptic number.

It is an amenable number.

23490429 is a deficient number, since it is larger than the sum of its proper divisors (9733635).

23490429 is a wasteful number, since it uses less digits than its factorization.

23490429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5668.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 23490429 is about 4846.6925836079. The cubic root of 23490429 is about 286.3938247384.

The spelling of 23490429 in words is "twenty-three million, four hundred ninety thousand, four hundred twenty-nine".