23424411021 has 8 divisors (see below), whose sum is σ = 34071870624. Its totient is φ = 14196612720.

The previous prime is 23424410983. The next prime is 23424411083. The reversal of 23424411021 is 12011442432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23424411021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23424410982 and 23424411000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23424410021) 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, 354915286 + ... + 354915351.

It is an arithmetic number, because the mean of its divisors is an integer number (4258983828).

Almost surely, 2^23424411021 is an apocalyptic number.

It is an amenable number.

23424411021 is a deficient number, since it is larger than the sum of its proper divisors (10647459603).

23424411021 is a wasteful number, since it uses less digits than its factorization.

23424411021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709830651.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 23424411021 its reverse (12011442432), we get a palindrome (35435853453).

The spelling of 23424411021 in words is "twenty-three billion, four hundred twenty-four million, four hundred eleven thousand, twenty-one".