23071002652540 has 96 divisors (see below), whose sum is σ = 50117580334080. Its totient is φ = 8917673246976.

The previous prime is 23071002652463. The next prime is 23071002652541. The reversal of 23071002652540 is 4525620017032.

It is a self number, because there is not a number n which added to its sum of digits gives 23071002652540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23071002652541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13209894 + ... + 14854066.

It is an arithmetic number, because the mean of its divisors is an integer number (522058128480).

Almost surely, 2^{23071002652540} is an apocalyptic number.

23071002652540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23071002652540 is an abundant number, since it is smaller than the sum of its proper divisors (27046577681540).

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

23071002652540 is a wasteful number, since it uses less digits than its factorization.

23071002652540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644451 (or 1644449 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 23071002652540 its reverse (4525620017032), we get a palindrome (27596622669572).

The spelling of 23071002652540 in words is "twenty-three trillion, seventy-one billion, two million, six hundred fifty-two thousand, five hundred forty".