23011254521 has 8 divisors (see below), whose sum is σ = 25275520320. Its totient is φ = 20852303472.

The previous prime is 23011254509. The next prime is 23011254533. The reversal of 23011254521 is 12545211032.

It is an interprime number because it is at equal distance from previous prime (23011254509) and next prime (23011254533).

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 23011254521 - 2¹⁸ = 23010992377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23011254571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26328230 + ... + 26329103.

It is an arithmetic number, because the mean of its divisors is an integer number (3159440040).

Almost surely, 2^23011254521 is an apocalyptic number.

It is an amenable number.

23011254521 is a deficient number, since it is larger than the sum of its proper divisors (2264265799).

23011254521 is a wasteful number, since it uses less digits than its factorization.

23011254521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52657375.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 23011254521 its reverse (12545211032), we get a palindrome (35556465553).

The spelling of 23011254521 in words is "twenty-three billion, eleven million, two hundred fifty-four thousand, five hundred twenty-one".