23321421001 has 8 divisors (see below), whose sum is σ = 23380755840. Its totient is φ = 23262127248.

The previous prime is 23321420953. The next prime is 23321421007. The reversal of 23321421001 is 10012412332.

It is a happy number.

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 23321421001 - 2²¹ = 23319323849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23321421001.

It is not an unprimeable number, because it can be changed into a prime (23321421007) 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, 1349920 + ... + 1367086.

It is an arithmetic number, because the mean of its divisors is an integer number (2922594480).

Almost surely, 2^23321421001 is an apocalyptic number.

It is an amenable number.

23321421001 is a deficient number, since it is larger than the sum of its proper divisors (59334839).

23321421001 is a wasteful number, since it uses less digits than its factorization.

23321421001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20543.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23321421001 its reverse (10012412332), we get a palindrome (33333833333).

The spelling of 23321421001 in words is "twenty-three billion, three hundred twenty-one million, four hundred twenty-one thousand, one".