23001220004 has 12 divisors (see below), whose sum is σ = 46002440064. Its totient is φ = 9857665704.

The previous prime is 23001219959. The next prime is 23001220019. The reversal of 23001220004 is 40002210032.

23001220004 is an admirable number.

It is a super-2 number, since 2×23001220004² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 410736044 + ... + 410736099.

It is an arithmetic number, because the mean of its divisors is an integer number (3833536672).

Almost surely, 2^23001220004 is an apocalyptic number.

It is an amenable number.

23001220004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23001220004 is a wasteful number, since it uses less digits than its factorization.

23001220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821472154 (or 821472152 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 23001220004 its reverse (40002210032), we get a palindrome (63003430036).

The spelling of 23001220004 in words is "twenty-three billion, one million, two hundred twenty thousand, four".