23347015421 has 8 divisors (see below), whose sum is σ = 24928664640. Its totient is φ = 21812579712.

The previous prime is 23347015411. The next prime is 23347015463. The reversal of 23347015421 is 12451074332.

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 23347015421 - 2¹⁸ = 23346753277 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 (23347015411) 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, 11802356 + ... + 11804333.

It is an arithmetic number, because the mean of its divisors is an integer number (3116083080).

Almost surely, 2^23347015421 is an apocalyptic number.

It is an amenable number.

23347015421 is a deficient number, since it is larger than the sum of its proper divisors (1581649219).

23347015421 is a wasteful number, since it uses less digits than its factorization.

23347015421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23606755.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 23347015421 its reverse (12451074332), we get a palindrome (35798089753).

The spelling of 23347015421 in words is "twenty-three billion, three hundred forty-seven million, fifteen thousand, four hundred twenty-one".