23820621807 has 16 divisors (see below), whose sum is σ = 33912476928. Its totient is φ = 14836704960.

The previous prime is 23820621767. The next prime is 23820621821. The reversal of 23820621807 is 70812602832.

It is not a de Polignac number, because 23820621807 - 2⁷ = 23820621679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23820621887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4011294 + ... + 4017227.

It is an arithmetic number, because the mean of its divisors is an integer number (2119529808).

Almost surely, 2^23820621807 is an apocalyptic number.

23820621807 is a deficient number, since it is larger than the sum of its proper divisors (10091855121).

23820621807 is a wasteful number, since it uses less digits than its factorization.

23820621807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028590.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 23820621807 in words is "twenty-three billion, eight hundred twenty million, six hundred twenty-one thousand, eight hundred seven".