23550431 has 8 divisors (see below), whose sum is σ = 24277440. Its totient is φ = 22832928.

The previous prime is 23550427. The next prime is 23550451. The reversal of 23550431 is 13405532.

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 23550431 - 2² = 23550427 is a prime.

It is a super-2 number, since 2×23550431² = 1109245600571522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23550397 and 23550406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23550451) 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 7 ways as a sum of consecutive naturals, for example, 2825 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (3034680).

Almost surely, 2^23550431 is an apocalyptic number.

23550431 is a deficient number, since it is larger than the sum of its proper divisors (727009).

23550431 is a wasteful number, since it uses less digits than its factorization.

23550431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 23550431 is about 4852.8786302565. The cubic root of 23550431 is about 286.6374642749.

Adding to 23550431 its reverse (13405532), we get a palindrome (36955963).

The spelling of 23550431 in words is "twenty-three million, five hundred fifty thousand, four hundred thirty-one".