23223125434021 has 4 divisors (see below), whose sum is σ = 24232826539872. Its totient is φ = 22213424328172.

The previous prime is 23223125434007. The next prime is 23223125434037. The reversal of 23223125434021 is 12043452132232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23223125434021 - 2³³ = 23214535499429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223125434001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504850552891 + ... + 504850552936.

It is an arithmetic number, because the mean of its divisors is an integer number (6058206634968).

Almost surely, 2^{23223125434021} is an apocalyptic number.

It is an amenable number.

23223125434021 is a deficient number, since it is larger than the sum of its proper divisors (1009701105851).

23223125434021 is a wasteful number, since it uses less digits than its factorization.

23223125434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009701105850.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 23223125434021 its reverse (12043452132232), we get a palindrome (35266577566253).

The spelling of 23223125434021 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred twenty-five million, four hundred thirty-four thousand, twenty-one".