11203529423 has 2 divisors, whose sum is σ = 11203529424. Its totient is φ = 11203529422.

The previous prime is 11203529401. The next prime is 11203529443. The reversal of 11203529423 is 32492530211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11203529423 - 2¹² = 11203525327 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11203529423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203529443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601764711 + 5601764712.

It is an arithmetic number, because the mean of its divisors is an integer number (5601764712).

Almost surely, 2^11203529423 is an apocalyptic number.

11203529423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203529423 is an equidigital number, since it uses as much as digits as its factorization.

11203529423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 11203529423 in words is "eleven billion, two hundred three million, five hundred twenty-nine thousand, four hundred twenty-three".