23033115421 has 8 divisors (see below), whose sum is σ = 24205764704. Its totient is φ = 21889420560.

The previous prime is 23033115409. The next prime is 23033115437. The reversal of 23033115421 is 12451133032.

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 23033115421 - 2²⁵ = 22999560989 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 (23033115451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7236975 + ... + 7240156.

It is an arithmetic number, because the mean of its divisors is an integer number (3025720588).

Almost surely, 2^23033115421 is an apocalyptic number.

It is an amenable number.

23033115421 is a deficient number, since it is larger than the sum of its proper divisors (1172649283).

23033115421 is a wasteful number, since it uses less digits than its factorization.

23033115421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14477211.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 23033115421 its reverse (12451133032), we get a palindrome (35484248453).

The spelling of 23033115421 in words is "twenty-three billion, thirty-three million, one hundred fifteen thousand, four hundred twenty-one".