123776493 has 4 divisors (see below), whose sum is σ = 165035328. Its totient is φ = 82517660.

The previous prime is 123776467. The next prime is 123776509. The reversal of 123776493 is 394677321.

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.

It is a cyclic number.

It is not a de Polignac number, because 123776493 - 2⁵ = 123776461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123776453) 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, 20629413 + ... + 20629418.

It is an arithmetic number, because the mean of its divisors is an integer number (41258832).

Almost surely, 2^123776493 is an apocalyptic number.

It is an amenable number.

123776493 is a deficient number, since it is larger than the sum of its proper divisors (41258835).

123776493 is an equidigital number, since it uses as much as digits as its factorization.

123776493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41258834.

The product of its digits is 190512, while the sum is 42.

The square root of 123776493 is about 11125.4884387158. The cubic root of 123776493 is about 498.3633056423.

The spelling of 123776493 in words is "one hundred twenty-three million, seven hundred seventy-six thousand, four hundred ninety-three".