23431541 has 16 divisors (see below), whose sum is σ = 28882560. Its totient is φ = 18558720.

The previous prime is 23431531. The next prime is 23431547. The reversal of 23431541 is 14513432.

It is a cyclic number.

It is not a de Polignac number, because 23431541 - 2⁶ = 23431477 is a prime.

It is a super-2 number, since 2×23431541² = 1098074227269362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23431547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3305 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (1805160).

Almost surely, 2^23431541 is an apocalyptic number.

It is an amenable number.

23431541 is a deficient number, since it is larger than the sum of its proper divisors (5451019).

23431541 is a wasteful number, since it uses less digits than its factorization.

23431541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364.

The product of its digits is 1440, while the sum is 23.

The square root of 23431541 is about 4840.6137007615. The cubic root of 23431541 is about 286.1543048859.

Adding to 23431541 its reverse (14513432), we get a palindrome (37944973).

The spelling of 23431541 in words is "twenty-three million, four hundred thirty-one thousand, five hundred forty-one".