23142001040021 has 32 divisors (see below), whose sum is σ = 24018676640640. Its totient is φ = 22284809164800.

The previous prime is 23142001039987. The next prime is 23142001040071. The reversal of 23142001040021 is 12004010024132.

It is a cyclic number.

It is not a de Polignac number, because 23142001040021 - 2¹⁰ = 23142001038997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23142001039975 and 23142001040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23142001040071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1360405406 + ... + 1360422416.

It is an arithmetic number, because the mean of its divisors is an integer number (750583645020).

Almost surely, 2^{23142001040021} is an apocalyptic number.

It is an amenable number.

23142001040021 is a deficient number, since it is larger than the sum of its proper divisors (876675600619).

23142001040021 is a wasteful number, since it uses less digits than its factorization.

23142001040021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18837.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 23142001040021 its reverse (12004010024132), we get a palindrome (35146011064153).

The spelling of 23142001040021 in words is "twenty-three trillion, one hundred forty-two billion, one million, forty thousand, twenty-one".