23000273040 has 80 divisors (see below), whose sum is σ = 71453873088. Its totient is φ = 6120242688.

The previous prime is 23000273003. The next prime is 23000273041. The reversal of 23000273040 is 4037200032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 23000272998 and 23000273016.

It is not an unprimeable number, because it can be changed into a prime (23000273041) 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, 9474 + ... + 214686.

Almost surely, 2^23000273040 is an apocalyptic number.

23000273040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23000273040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35726936544).

23000273040 is an abundant number, since it is smaller than the sum of its proper divisors (48453600048).

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

23000273040 is a wasteful number, since it uses less digits than its factorization.

23000273040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205696 (or 205690 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 21.

Adding to 23000273040 its reverse (4037200032), we get a palindrome (27037473072).

The spelling of 23000273040 in words is "twenty-three billion, two hundred seventy-three thousand, forty".