11930453 has 4 divisors (see below), whose sum is σ = 11955840. Its totient is φ = 11905068.

The previous prime is 11930437. The next prime is 11930473. The reversal of 11930453 is 35403911.

11930453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35403911 = 17 ⋅2082583.

It is a cyclic number.

It is not a de Polignac number, because 11930453 - 2⁴ = 11930437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11930473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11975 + ... + 12932.

It is an arithmetic number, because the mean of its divisors is an integer number (2988960).

Almost surely, 2^11930453 is an apocalyptic number.

It is an amenable number.

11930453 is a deficient number, since it is larger than the sum of its proper divisors (25387).

11930453 is an equidigital number, since it uses as much as digits as its factorization.

11930453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25386.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 11930453 is about 3454.0487836740. The cubic root of 11930453 is about 228.4997055285.

Multiplying 11930453 by its sum of digits (26), we get a triangular number (310191778 = T₂₄₉₀₇).

The spelling of 11930453 in words is "eleven million, nine hundred thirty thousand, four hundred fifty-three".