23421332403 has 24 divisors (see below), whose sum is σ = 38728181856. Its totient is φ = 13361328000.

The previous prime is 23421332401. The next prime is 23421332413. The reversal of 23421332403 is 30423312432.

23421332403 is a `hidden beast` number, since 234 + 21 + 3 + 3 + 2 + 403 = 666.

It is not a de Polignac number, because 23421332403 - 2¹ = 23421332401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23421332401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271428 + ... + 347153.

It is an arithmetic number, because the mean of its divisors is an integer number (1613674244).

Almost surely, 2^23421332403 is an apocalyptic number.

23421332403 is a deficient number, since it is larger than the sum of its proper divisors (15306849453).

23421332403 is a wasteful number, since it uses less digits than its factorization.

23421332403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619195 (or 619192 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 23421332403 its reverse (30423312432), we get a palindrome (53844644835).

The spelling of 23421332403 in words is "twenty-three billion, four hundred twenty-one million, three hundred thirty-two thousand, four hundred three".