123256464241 has 3 divisors (see below), whose sum is σ = 123256815321. Its totient is φ = 123256113162.

The previous prime is 123256464223. The next prime is 123256464263. The reversal of 123256464241 is 142464652321.

The square root of 123256464241 is 351079.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 123256464241 - 2¹³ = 123256456049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123256464194 and 123256464203.

It is not an unprimeable number, because it can be changed into a prime (123256464211) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 175540 + ... + 526618.

It is an arithmetic number, because the mean of its divisors is an integer number (41085605107).

Almost surely, 2^123256464241 is an apocalyptic number.

123256464241 is the 351079-th square number.

123256464241 is the 175540-th centered octagonal number.

It is an amenable number.

123256464241 is a deficient number, since it is larger than the sum of its proper divisors (351080).

123256464241 is an frugal number, since it uses more digits than its factorization.

123256464241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702158 (or 351079 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The spelling of 123256464241 in words is "one hundred twenty-three billion, two hundred fifty-six million, four hundred sixty-four thousand, two hundred forty-one".