1523140163 has 2 divisors, whose sum is σ = 1523140164. Its totient is φ = 1523140162.

The previous prime is 1523140153. The next prime is 1523140181. The reversal of 1523140163 is 3610413251.

It is a weak prime.

It is an emirp because it is prime and its reverse (3610413251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1523140163 - 2⁸ = 1523139907 is a prime.

It is a super-2 number, since 2×1523140163² = 4639911912287333138, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1523140123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761570081 + 761570082.

It is an arithmetic number, because the mean of its divisors is an integer number (761570082).

Almost surely, 2^1523140163 is an apocalyptic number.

1523140163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1523140163 is an equidigital number, since it uses as much as digits as its factorization.

1523140163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1523140163 is about 39027.4283421288. The cubic root of 1523140163 is about 1150.5706463430.

The spelling of 1523140163 in words is "one billion, five hundred twenty-three million, one hundred forty thousand, one hundred sixty-three".