23090507 has 8 divisors (see below), whose sum is σ = 25297920. Its totient is φ = 20901160.

The previous prime is 23090497. The next prime is 23090531. The reversal of 23090507 is 70509032.

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 23090507 - 2¹⁰ = 23089483 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23090537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1763 + ... + 7020.

It is an arithmetic number, because the mean of its divisors is an integer number (3162240).

Almost surely, 2^23090507 is an apocalyptic number.

23090507 is a deficient number, since it is larger than the sum of its proper divisors (2207413).

23090507 is a wasteful number, since it uses less digits than its factorization.

23090507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9033.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 23090507 is about 4805.2582656919. The cubic root of 23090507 is about 284.7592385471.

Adding to 23090507 its reverse (70509032), we get a palindrome (93599539).

The spelling of 23090507 in words is "twenty-three million, ninety thousand, five hundred seven".