23000430421 has 8 divisors (see below), whose sum is σ = 23066304920. Its totient is φ = 22934596608.

The previous prime is 23000430413. The next prime is 23000430473. The reversal of 23000430421 is 12403400032.

It can be written as a sum of positive squares in 4 ways, for example, as 286624900 + 22713805521 = 16930^2 + 150711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23000430421 - 2³ = 23000430413 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 (23000430121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392805 + ... + 1409221.

It is an arithmetic number, because the mean of its divisors is an integer number (2883288115).

Almost surely, 2^23000430421 is an apocalyptic number.

It is an amenable number.

23000430421 is a deficient number, since it is larger than the sum of its proper divisors (65874499).

23000430421 is a wasteful number, since it uses less digits than its factorization.

23000430421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20343.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23000430421 its reverse (12403400032), we get a palindrome (35403830453).

The spelling of 23000430421 in words is "twenty-three billion, four hundred thirty thousand, four hundred twenty-one".