23212021429 has 8 divisors (see below), whose sum is σ = 24222772800. Its totient is φ = 22201397856.

The previous prime is 23212021411. The next prime is 23212021433. The reversal of 23212021429 is 92412021232.

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 23212021429 - 2⁵ = 23212021397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23212021397 and 23212021406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212021439) 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, 641314 + ... + 676540.

It is an arithmetic number, because the mean of its divisors is an integer number (3027846600).

Almost surely, 2^23212021429 is an apocalyptic number.

It is an amenable number.

23212021429 is a deficient number, since it is larger than the sum of its proper divisors (1010751371).

23212021429 is a wasteful number, since it uses less digits than its factorization.

23212021429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63899.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 23212021429 in words is "twenty-three billion, two hundred twelve million, twenty-one thousand, four hundred twenty-nine".