123025758249 has 32 divisors (see below), whose sum is σ = 169609949824. Its totient is φ = 79281607680.

The previous prime is 123025758223. The next prime is 123025758259. The reversal of 123025758249 is 942857520321.

It is not a de Polignac number, because 123025758249 - 2⁹ = 123025757737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123025758198 and 123025758207.

It is not an unprimeable number, because it can be changed into a prime (123025758259) 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, 5297427 + ... + 5320599.

It is an arithmetic number, because the mean of its divisors is an integer number (5300310932).

Almost surely, 2^123025758249 is an apocalyptic number.

It is an amenable number.

123025758249 is a deficient number, since it is larger than the sum of its proper divisors (46584191575).

123025758249 is a wasteful number, since it uses less digits than its factorization.

123025758249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23737.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 123025758249 in words is "one hundred twenty-three billion, twenty-five million, seven hundred fifty-eight thousand, two hundred forty-nine".