23225101421 has 6 divisors (see below), whose sum is σ = 24511811022. Its totient is φ = 22002727320.

The previous prime is 23225101411. The next prime is 23225101441. The reversal of 23225101421 is 12410152232.

It can be written as a sum of positive squares in only one way, i.e., 15606255625 + 7618845796 = 124925^2 + 87286^2 .

It is not a de Polignac number, because 23225101421 - 2¹⁸ = 23224839277 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 (23225101411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32167370 + ... + 32168091.

It is an arithmetic number, because the mean of its divisors is an integer number (4085301837).

Almost surely, 2^23225101421 is an apocalyptic number.

It is an amenable number.

23225101421 is a deficient number, since it is larger than the sum of its proper divisors (1286709601).

23225101421 is an equidigital number, since it uses as much as digits as its factorization.

23225101421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64335499 (or 64335480 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 23225101421 its reverse (12410152232), we get a palindrome (35635253653).

The spelling of 23225101421 in words is "twenty-three billion, two hundred twenty-five million, one hundred one thousand, four hundred twenty-one".