23421979535 has 16 divisors (see below), whose sum is σ = 29862172800. Its totient is φ = 17585486496.

The previous prime is 23421979507. The next prime is 23421979541. The reversal of 23421979535 is 53597912432.

It is a cyclic number.

It is not a de Polignac number, because 23421979535 - 2¹² = 23421975439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141925 + ... + 1162254.

It is an arithmetic number, because the mean of its divisors is an integer number (1866385800).

Almost surely, 2^23421979535 is an apocalyptic number.

23421979535 is a deficient number, since it is larger than the sum of its proper divisors (6440193265).

23421979535 is a wasteful number, since it uses less digits than its factorization.

23421979535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304310.

The product of its digits is 2041200, while the sum is 50.

The spelling of 23421979535 in words is "twenty-three billion, four hundred twenty-one million, nine hundred seventy-nine thousand, five hundred thirty-five".