123776453 has 2 divisors, whose sum is σ = 123776454. Its totient is φ = 123776452.

The previous prime is 123776441. The next prime is 123776461. The reversal of 123776453 is 354677321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87572164 + 36204289 = 9358^2 + 6017^2 .

It is a cyclic number.

It is not a de Polignac number, because 123776453 - 2⁸ = 123776197 is a prime.

It is a super-2 number, since 2×123776453² = 30641220634522418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123776053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61888226 + 61888227.

It is an arithmetic number, because the mean of its divisors is an integer number (61888227).

Almost surely, 2^123776453 is an apocalyptic number.

It is an amenable number.

123776453 is a deficient number, since it is larger than the sum of its proper divisors (1).

123776453 is an equidigital number, since it uses as much as digits as its factorization.

123776453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 38.

The square root of 123776453 is about 11125.4866410418. The cubic root of 123776453 is about 498.3632519580.

The spelling of 123776453 in words is "one hundred twenty-three million, seven hundred seventy-six thousand, four hundred fifty-three".