123253641 has 24 divisors (see below), whose sum is σ = 204519744. Its totient is φ = 70066080.

The previous prime is 123253639. The next prime is 123253651. The reversal of 123253641 is 146352321.

123253641 is a `hidden beast` number, since 12 + 3 + 2 + 5 + 3 + 641 = 666.

It is not a de Polignac number, because 123253641 - 2¹ = 123253639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123253601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7446 + ... + 17376.

It is an arithmetic number, because the mean of its divisors is an integer number (8521656).

Almost surely, 2^123253641 is an apocalyptic number.

It is an amenable number.

123253641 is a deficient number, since it is larger than the sum of its proper divisors (81266103).

123253641 is a wasteful number, since it uses less digits than its factorization.

123253641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10141 (or 10138 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 123253641 is about 11101.9656367690. The cubic root of 123253641 is about 497.6605927517.

The spelling of 123253641 in words is "one hundred twenty-three million, two hundred fifty-three thousand, six hundred forty-one".