25126342123 has 2 divisors, whose sum is σ = 25126342124. Its totient is φ = 25126342122.

The previous prime is 25126342117. The next prime is 25126342127. The reversal of 25126342123 is 32124362152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25126342123 - 2¹⁷ = 25126211051 is a prime.

It is not a weakly prime, because it can be changed into another prime (25126342127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563171061 + 12563171062.

It is an arithmetic number, because the mean of its divisors is an integer number (12563171062).

Almost surely, 2^25126342123 is an apocalyptic number.

25126342123 is a deficient number, since it is larger than the sum of its proper divisors (1).

25126342123 is an equidigital number, since it uses as much as digits as its factorization.

25126342123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The spelling of 25126342123 in words is "twenty-five billion, one hundred twenty-six million, three hundred forty-two thousand, one hundred twenty-three".