193023226457 has 8 divisors (see below), whose sum is σ = 196671717576. Its totient is φ = 189374977792.

The previous prime is 193023226349. The next prime is 193023226507. The reversal of 193023226457 is 754622320391.

It can be written as a sum of positive squares in 4 ways, for example, as 63495936256 + 129527290201 = 251984^2 + 359899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 193023226457 - 2²⁶ = 192956117593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193023223457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2893523 + ... + 2959479.

It is an arithmetic number, because the mean of its divisors is an integer number (24583964697).

Almost surely, 2^193023226457 is an apocalyptic number.

It is an amenable number.

193023226457 is a deficient number, since it is larger than the sum of its proper divisors (3648491119).

193023226457 is an equidigital number, since it uses as much as digits as its factorization.

193023226457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121227.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 193023226457 in words is "one hundred ninety-three billion, twenty-three million, two hundred twenty-six thousand, four hundred fifty-seven".