1025235253123 has 4 divisors (see below), whose sum is σ = 1042612121880. Its totient is φ = 1007858384368.

The previous prime is 1025235253099. The next prime is 1025235253157. The reversal of 1025235253123 is 3213525325201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1025235253123 - 2²⁵ = 1025201698691 is a prime.

It is a super-2 number, since 2×1025235253123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025235353123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688434290 + ... + 8688434407.

It is an arithmetic number, because the mean of its divisors is an integer number (260653030470).

Almost surely, 2^{1025235253123} is an apocalyptic number.

1025235253123 is a deficient number, since it is larger than the sum of its proper divisors (17376868757).

1025235253123 is an equidigital number, since it uses as much as digits as its factorization.

1025235253123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17376868756.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 1025235253123 in words is "one trillion, twenty-five billion, two hundred thirty-five million, two hundred fifty-three thousand, one hundred twenty-three".