2023502121491 has 2 divisors, whose sum is σ = 2023502121492. Its totient is φ = 2023502121490.

The previous prime is 2023502121437. The next prime is 2023502121497. The reversal of 2023502121491 is 1941212053202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2023502121491 - 2⁶ = 2023502121427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2023502121497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011751060745 + 1011751060746.

It is an arithmetic number, because the mean of its divisors is an integer number (1011751060746).

Almost surely, 2^{2023502121491} is an apocalyptic number.

2023502121491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023502121491 is an equidigital number, since it uses as much as digits as its factorization.

2023502121491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 2023502121491 its reverse (1941212053202), we get a palindrome (3964714174693).

The spelling of 2023502121491 in words is "two trillion, twenty-three billion, five hundred two million, one hundred twenty-one thousand, four hundred ninety-one".