23450131 has 4 divisors (see below), whose sum is σ = 23480352. Its totient is φ = 23419912.

The previous prime is 23450129. The next prime is 23450209. The reversal of 23450131 is 13105432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23450131 - 2¹ = 23450129 is a prime.

It is a super-2 number, since 2×23450131² = 1099817287834322, 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 = 23450099 and 23450108.

It is not an unprimeable number, because it can be changed into a prime (23450101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13915 + ... + 15508.

It is an arithmetic number, because the mean of its divisors is an integer number (5870088).

Almost surely, 2^23450131 is an apocalyptic number.

23450131 is a deficient number, since it is larger than the sum of its proper divisors (30221).

23450131 is an equidigital number, since it uses as much as digits as its factorization.

23450131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30220.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23450131 is about 4842.5335311178. The cubic root of 23450131 is about 286.2299607769.

Adding to 23450131 its reverse (13105432), we get a palindrome (36555563).

The spelling of 23450131 in words is "twenty-three million, four hundred fifty thousand, one hundred thirty-one".