1002196523 has 2 divisors, whose sum is σ = 1002196524. Its totient is φ = 1002196522.

The previous prime is 1002196501. The next prime is 1002196537. The reversal of 1002196523 is 3256912001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002196523 - 2²⁴ = 985419307 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002196543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501098261 + 501098262.

It is an arithmetic number, because the mean of its divisors is an integer number (501098262).

Almost surely, 2^1002196523 is an apocalyptic number.

1002196523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002196523 is an equidigital number, since it uses as much as digits as its factorization.

1002196523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1002196523 is about 31657.4876293113. The cubic root of 1002196523 is about 1000.7316389073.

The spelling of 1002196523 in words is "one billion, two million, one hundred ninety-six thousand, five hundred twenty-three".