23142421025420 has 48 divisors (see below), whose sum is σ = 48687845606400. Its totient is φ = 9240063906240.

The previous prime is 23142421025401. The next prime is 23142421025429. The reversal of 23142421025420 is 2452012424132.

It is not an unprimeable number, because it can be changed into a prime (23142421025429) 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, 168707621 + ... + 168844739.

It is an arithmetic number, because the mean of its divisors is an integer number (1014330116800).

Almost surely, 2^{23142421025420} is an apocalyptic number.

23142421025420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23142421025420 is an abundant number, since it is smaller than the sum of its proper divisors (25545424580980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23142421025420 is a wasteful number, since it uses less digits than its factorization.

23142421025420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152478 (or 152476 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 23142421025420 its reverse (2452012424132), we get a palindrome (25594433449552).

The spelling of 23142421025420 in words is "twenty-three trillion, one hundred forty-two billion, four hundred twenty-one million, twenty-five thousand, four hundred twenty".