23033301421 has 16 divisors (see below), whose sum is σ = 25679937024. Its totient is φ = 20524040064.

The previous prime is 23033301419. The next prime is 23033301427. The reversal of 23033301421 is 12410333032.

It is a cyclic number.

It is not a de Polignac number, because 23033301421 - 2¹ = 23033301419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23033301392 and 23033301401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23033301427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213601 + ... + 302806.

It is an arithmetic number, because the mean of its divisors is an integer number (1604996064).

Almost surely, 2^23033301421 is an apocalyptic number.

It is an amenable number.

23033301421 is a deficient number, since it is larger than the sum of its proper divisors (2646635603).

23033301421 is a wasteful number, since it uses less digits than its factorization.

23033301421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516540.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23033301421 its reverse (12410333032), we get a palindrome (35443634453).

The spelling of 23033301421 in words is "twenty-three billion, thirty-three million, three hundred one thousand, four hundred twenty-one".