123264457 has 8 divisors (see below), whose sum is σ = 129905600. Its totient is φ = 116638704.

The previous prime is 123264451. The next prime is 123264473. The reversal of 123264457 is 754462321.

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 123264457 - 2¹⁹ = 122740169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123264451) 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, 15019 + ... + 21727.

It is an arithmetic number, because the mean of its divisors is an integer number (16238200).

Almost surely, 2^123264457 is an apocalyptic number.

It is an amenable number.

123264457 is a deficient number, since it is larger than the sum of its proper divisors (6641143).

123264457 is an equidigital number, since it uses as much as digits as its factorization.

123264457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7695.

The product of its digits is 40320, while the sum is 34.

The square root of 123264457 is about 11102.4527470285. The cubic root of 123264457 is about 497.6751495618.

The spelling of 123264457 in words is "one hundred twenty-three million, two hundred sixty-four thousand, four hundred fifty-seven".