2040500021523 has 8 divisors (see below), whose sum is σ = 2728886233536. Its totient is φ = 1356223578600.

The previous prime is 2040500021477. The next prime is 2040500021537. The reversal of 2040500021523 is 3251200050402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2040500021523 - 2¹² = 2040500017427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040500021493 and 2040500021502.

It is not an unprimeable number, because it can be changed into a prime (2040500021423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027441113 + ... + 1027443098.

It is an arithmetic number, because the mean of its divisors is an integer number (341110779192).

Almost surely, 2^{2040500021523} is an apocalyptic number.

2040500021523 is a deficient number, since it is larger than the sum of its proper divisors (688386212013).

2040500021523 is a wasteful number, since it uses less digits than its factorization.

2040500021523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054884545.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 2040500021523 its reverse (3251200050402), we get a palindrome (5291700071925).

The spelling of 2040500021523 in words is "two trillion, forty billion, five hundred million, twenty-one thousand, five hundred twenty-three".