23124242021 has 16 divisors (see below), whose sum is σ = 24925347840. Its totient is φ = 21390438960.

The previous prime is 23124241997. The next prime is 23124242059. The reversal of 23124242021 is 12024242132.

It is not a de Polignac number, because 23124242021 - 2¹⁴ = 23124225637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124242081) 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, 1089650 + ... + 1110668.

It is an arithmetic number, because the mean of its divisors is an integer number (1557834240).

Almost surely, 2^23124242021 is an apocalyptic number.

It is an amenable number.

23124242021 is a deficient number, since it is larger than the sum of its proper divisors (1801105819).

23124242021 is a wasteful number, since it uses less digits than its factorization.

23124242021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22616.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 23124242021 its reverse (12024242132), we get a palindrome (35148484153).

The spelling of 23124242021 in words is "twenty-three billion, one hundred twenty-four million, two hundred forty-two thousand, twenty-one".