23004420002040 has 64 divisors (see below), whose sum is σ = 69019099493760. Its totient is φ = 6133992935040.

The previous prime is 23004420002029. The next prime is 23004420002041. The reversal of 23004420002040 is 4020002440032.

It is a junction number, because it is equal to n+sod(n) for n = 23004420001998 and 23004420002016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23004420002041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6685246 + ... + 9523725.

It is an arithmetic number, because the mean of its divisors is an integer number (1078423429590).

Almost surely, 2^{23004420002040} is an apocalyptic number.

23004420002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23004420002040 is an abundant number, since it is smaller than the sum of its proper divisors (46014679491720).

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

23004420002040 is a wasteful number, since it uses less digits than its factorization.

23004420002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16220812 (or 16220808 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 23004420002040 its reverse (4020002440032), we get a palindrome (27024422442072).

The spelling of 23004420002040 in words is "twenty-three trillion, four billion, four hundred twenty million, two thousand, forty".