1502231815243 has 2 divisors, whose sum is σ = 1502231815244. Its totient is φ = 1502231815242.

The previous prime is 1502231815219. The next prime is 1502231815261. The reversal of 1502231815243 is 3425181322051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1502231815243 - 2⁹ = 1502231814731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1502231815213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 751115907621 + 751115907622.

It is an arithmetic number, because the mean of its divisors is an integer number (751115907622).

Almost surely, 2^{1502231815243} is an apocalyptic number.

1502231815243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1502231815243 is an equidigital number, since it uses as much as digits as its factorization.

1502231815243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 1502231815243 in words is "one trillion, five hundred two billion, two hundred thirty-one million, eight hundred fifteen thousand, two hundred forty-three".