23335254421 has 4 divisors (see below), whose sum is σ = 23338075212. Its totient is φ = 23332433632.

The previous prime is 23335254409. The next prime is 23335254431. The reversal of 23335254421 is 12445253332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13407324100 + 9927930321 = 115790^2 + 99639^2 .

It is a cyclic number.

It is not a de Polignac number, because 23335254421 - 2¹¹ = 23335252373 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 (23335254431) 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, 1397950 + ... + 1414543.

It is an arithmetic number, because the mean of its divisors is an integer number (5834518803).

Almost surely, 2^23335254421 is an apocalyptic number.

It is an amenable number.

23335254421 is a deficient number, since it is larger than the sum of its proper divisors (2820791).

23335254421 is an equidigital number, since it uses as much as digits as its factorization.

23335254421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820790.

The product of its digits is 86400, while the sum is 34.

The spelling of 23335254421 in words is "twenty-three billion, three hundred thirty-five million, two hundred fifty-four thousand, four hundred twenty-one".