23040401020 has 48 divisors (see below), whose sum is σ = 59550579648. Its totient is φ = 7291906560.

The previous prime is 23040401003. The next prime is 23040401029. The reversal of 23040401020 is 2010404032.

It is a junction number, because it is equal to n+sod(n) for n = 23040400985 and 23040401003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040401029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6327961 + ... + 6331600.

It is an arithmetic number, because the mean of its divisors is an integer number (1240637076).

Almost surely, 2^23040401020 is an apocalyptic number.

23040401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23040401020 is an abundant number, since it is smaller than the sum of its proper divisors (36510178628).

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

23040401020 is a wasteful number, since it uses less digits than its factorization.

23040401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12659590 (or 12659588 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23040401020 its reverse (2010404032), we get a palindrome (25050805052).

The spelling of 23040401020 in words is "twenty-three billion, forty million, four hundred one thousand, twenty".