2002123236526 has 32 divisors (see below), whose sum is σ = 3553407000000. Its totient is φ = 827801275392.

The previous prime is 2002123236473. The next prime is 2002123236527. The reversal of 2002123236526 is 6256323212002.

It is a junction number, because it is equal to n+sod(n) for n = 2002123236491 and 2002123236500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002123236527) 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, 1467021 + ... + 2481208.

It is an arithmetic number, because the mean of its divisors is an integer number (111043968750).

Almost surely, 2^{2002123236526} is an apocalyptic number.

2002123236526 is a deficient number, since it is larger than the sum of its proper divisors (1551283763474).

2002123236526 is a wasteful number, since it uses less digits than its factorization.

2002123236526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949516.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 2002123236526 its reverse (6256323212002), we get a palindrome (8258446448528).

The spelling of 2002123236526 in words is "two trillion, two billion, one hundred twenty-three million, two hundred thirty-six thousand, five hundred twenty-six".