123247953641 has 32 divisors (see below), whose sum is σ = 128266675200. Its totient is φ = 118374197760.

The previous prime is 123247953623. The next prime is 123247953643. The reversal of 123247953641 is 146359742321.

It is a cyclic number.

It is not a de Polignac number, because 123247953641 - 2³⁴ = 106068084457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123247953643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152345645 + ... + 152346453.

It is an arithmetic number, because the mean of its divisors is an integer number (4008333600).

Almost surely, 2^123247953641 is an apocalyptic number.

It is an amenable number.

123247953641 is a deficient number, since it is larger than the sum of its proper divisors (5018721559).

123247953641 is a wasteful number, since it uses less digits than its factorization.

123247953641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

The product of its digits is 1088640, while the sum is 47.

The spelling of 123247953641 in words is "one hundred twenty-three billion, two hundred forty-seven million, nine hundred fifty-three thousand, six hundred forty-one".