240523193 has 2 divisors, whose sum is σ = 240523194. Its totient is φ = 240523192.

The previous prime is 240523189. The next prime is 240523211. The reversal of 240523193 is 391325042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177209344 + 63313849 = 13312^2 + 7957^2 .

It is a cyclic number.

It is not a de Polignac number, because 240523193 - 2² = 240523189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (240523103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120261596 + 120261597.

It is an arithmetic number, because the mean of its divisors is an integer number (120261597).

Almost surely, 2^240523193 is an apocalyptic number.

It is an amenable number.

240523193 is a deficient number, since it is larger than the sum of its proper divisors (1).

240523193 is an equidigital number, since it uses as much as digits as its factorization.

240523193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 240523193 is about 15508.8101735755. The cubic root of 240523193 is about 621.8977518607.

The spelling of 240523193 in words is "two hundred forty million, five hundred twenty-three thousand, one hundred ninety-three".