123254140541 has 16 divisors (see below), whose sum is σ = 143189882880. Its totient is φ = 103900855680.

The previous prime is 123254140517. The next prime is 123254140547. The reversal of 123254140541 is 145041452321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123254140541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123254140498 and 123254140507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123254140547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4495025 + ... + 4522361.

It is an arithmetic number, because the mean of its divisors is an integer number (8949367680).

Almost surely, 2^123254140541 is an apocalyptic number.

It is an amenable number.

123254140541 is a deficient number, since it is larger than the sum of its proper divisors (19935742339).

123254140541 is a wasteful number, since it uses less digits than its factorization.

123254140541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37964.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 123254140541 its reverse (145041452321), we get a palindrome (268295592862).

The spelling of 123254140541 in words is "one hundred twenty-three billion, two hundred fifty-four million, one hundred forty thousand, five hundred forty-one".