23203410421 has 4 divisors (see below), whose sum is σ = 23420264832. Its totient is φ = 22986556012.

The previous prime is 23203410407. The next prime is 23203410443. The reversal of 23203410421 is 12401430232.

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 23203410421 - 2¹⁵ = 23203377653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23203410392 and 23203410401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203410821) 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, 108427045 + ... + 108427258.

It is an arithmetic number, because the mean of its divisors is an integer number (5855066208).

Almost surely, 2^23203410421 is an apocalyptic number.

It is an amenable number.

23203410421 is a deficient number, since it is larger than the sum of its proper divisors (216854411).

23203410421 is a wasteful number, since it uses less digits than its factorization.

23203410421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216854410.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23203410421 its reverse (12401430232), we get a palindrome (35604840653).

The spelling of 23203410421 in words is "twenty-three billion, two hundred three million, four hundred ten thousand, four hundred twenty-one".