23210300421 has 120 divisors (see below), whose sum is σ = 44292441024. Its totient is φ = 11378257920.

The previous prime is 23210300411. The next prime is 23210300437. The reversal of 23210300421 is 12400301232.

23210300421 is a `hidden beast` number, since 2 + 3 + 210 + 30 + 0 + 421 = 666.

It is not a de Polignac number, because 23210300421 - 2¹⁰ = 23210299397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23210300394 and 23210300403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210300411) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 90312325 + ... + 90312581.

Almost surely, 2^23210300421 is an apocalyptic number.

23210300421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23210300421 is a deficient number, since it is larger than the sum of its proper divisors (21082140603).

23210300421 is an equidigital number, since it uses as much as digits as its factorization.

23210300421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23210300421 its reverse (12400301232), we get a palindrome (35610601653).

The spelling of 23210300421 in words is "twenty-three billion, two hundred ten million, three hundred thousand, four hundred twenty-one".