23240043541 has 16 divisors (see below), whose sum is σ = 27573331968. Its totient is φ = 19309032000.

The previous prime is 23240043539. The next prime is 23240043551. The reversal of 23240043541 is 14534004232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23240043541 - 2¹ = 23240043539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23240043551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790101 + ... + 818986.

It is an arithmetic number, because the mean of its divisors is an integer number (1723333248).

Almost surely, 2^23240043541 is an apocalyptic number.

It is an amenable number.

23240043541 is a deficient number, since it is larger than the sum of its proper divisors (4333288427).

23240043541 is a wasteful number, since it uses less digits than its factorization.

23240043541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609212.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 23240043541 its reverse (14534004232), we get a palindrome (37774047773).

The spelling of 23240043541 in words is "twenty-three billion, two hundred forty million, forty-three thousand, five hundred forty-one".