23541531541 has 16 divisors (see below), whose sum is σ = 27349576128. Its totient is φ = 20026028800.

The previous prime is 23541531529. The next prime is 23541531551. The reversal of 23541531541 is 14513514532.

It is a cyclic number.

It is not a de Polignac number, because 23541531541 - 2²¹ = 23539434389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23541531497 and 23541531506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23541531551) 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, 331495 + ... + 396196.

It is an arithmetic number, because the mean of its divisors is an integer number (1709348508).

Almost surely, 2^23541531541 is an apocalyptic number.

It is an amenable number.

23541531541 is a deficient number, since it is larger than the sum of its proper divisors (3808044587).

23541531541 is a wasteful number, since it uses less digits than its factorization.

23541531541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727892.

The product of its digits is 36000, while the sum is 34.

The spelling of 23541531541 in words is "twenty-three billion, five hundred forty-one million, five hundred thirty-one thousand, five hundred forty-one".