193023453 has 16 divisors (see below), whose sum is σ = 303620096. Its totient is φ = 106740720.

The previous prime is 193023437. The next prime is 193023463. The reversal of 193023453 is 354320391.

It is not a de Polignac number, because 193023453 - 2⁴ = 193023437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193023453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193023463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147601 + ... + 148902.

It is an arithmetic number, because the mean of its divisors is an integer number (18976256).

Almost surely, 2^193023453 is an apocalyptic number.

It is an amenable number.

193023453 is a deficient number, since it is larger than the sum of its proper divisors (110596643).

193023453 is a wasteful number, since it uses less digits than its factorization.

193023453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296544.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 193023453 is about 13893.2880557484. The cubic root of 193023453 is about 577.9230639965.

The spelling of 193023453 in words is "one hundred ninety-three million, twenty-three thousand, four hundred fifty-three".