123652250561 has 32 divisors (see below), whose sum is σ = 154027560960. Its totient is φ = 96932937024.

The previous prime is 123652250551. The next prime is 123652250567. The reversal of 123652250561 is 165052256321.

It is a de Polignac number, because none of the positive numbers 2^k-123652250561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123652250567) 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, 352346 + ... + 609468.

It is an arithmetic number, because the mean of its divisors is an integer number (4813361280).

Almost surely, 2^123652250561 is an apocalyptic number.

It is an amenable number.

123652250561 is a deficient number, since it is larger than the sum of its proper divisors (30375310399).

123652250561 is a wasteful number, since it uses less digits than its factorization.

123652250561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257285.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 123652250561 in words is "one hundred twenty-three billion, six hundred fifty-two million, two hundred fifty thousand, five hundred sixty-one".